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List of works by Geir Hoff

"Drop in" gastroscopy outpatient clinic - experience after 9 months ⬇️

scientific article published on February 1, 2012

A tissue-based comparative effectiveness analysis of biomarkers for early detection of colorectal tumors

scientific article published on 6 December 2012

Acceptability of two colorectal cancer screening tests: pain as a key determinant in sigmoidoscopy

scientific article published on 22 September 2017

America, We Are Confused: The Updated U.S. Preventive Services Task Force Recommendation on Colorectal Cancer Screening

scientific article published on 08 November 2016

An explorative study from the Norwegian Quality Register Gastronet comparing self-estimated versus registered quality in colonoscopy performance

scientific article published on 10 February 2016

Appointments timed in proximity to annual milestones and compliance with screening: randomised controlled trial

scientific article published on 17 December 2008

Association between lifestyle and site-specific advanced colorectal lesions in screening with faecal immunochemical test and sigmoidoscopy

scientific article published on 10 December 2020

Biomarkers related to one-carbon metabolism as potential risk factors for distal colorectal adenomas

scientific article

Biopsy of colorectal polyps is not adequate for grading of neoplasia

scientific article published on 01 December 2005

Bounding the per-protocol effect in randomized trials: an application to colorectal cancer screening

scientific article

Carbon dioxide insufflation for more comfortable endoscopic retrograde cholangiopancreatography: a randomized, controlled, double-blind trial

scientific article published on 01 January 2007

Carbon dioxide insufflation in colonoscopy: safe and effective in sedated patients

scientific article published in August 2005

Carbon dioxide insufflation reduces discomfort due to flexible sigmoidoscopy in colorectal cancer screening

scientific article published on 01 September 2002

Cecum intubation rate as quality indicator in clinical versus screening colonoscopy

scientific article

Changes in health behavior 1 year after testing negative at a colorectal cancer screening: a randomized-controlled study

scientific article published on 01 July 2018

Coffee consumption and circulating B-vitamins in healthy middle-aged men and women

scientific article published on 7 July 2008

Colonic adenoma: natural history

scientific article published on January 1991

Colonic explosion: an unavoidable complication?

scientific article published on 01 March 2007

Colonoscope with a sub-distal hyper-flaccid segment for improved insertion at colonoscopy: a randomized study ⬇️

scientific article published on 06 October 2010

Colonoscopic screening examination of relatives of patients with colorectal cancer. I. A comparison with an endoscopically screened normal population

scientific article published on 01 August 1992

Colonoscopic screening examination of relatives of patients with colorectal cancer. II. Relations between tumour characteristics and the presence of polyps

scientific article published on August 1, 1992

Colonoscopy without sedation

scientific article published on 01 March 2000

Colorectal Cancer Screening

scientific article published on 01 October 2016

Colorectal adenomas and food. A prospective study of change in volume and total mass of adenomas in man

scientific article published on 01 December 1988

Colorectal cancer prevention. In search of risk factors and increased effectiveness of surveillance programs

scientific article

Colorectal cancer screening in an expanding panorama of screening programmes ⬇️

scientific article published on August 1, 2010

Colorectal cancer screening with repeated fecal immunochemical test versus sigmoidoscopy: baseline results from a randomized trial

scientific article published on 20 November 2020

Colorectal cancer: consensus for CRC screening, but who addresses the controversies?

scientific article published on 20 May 2014

Comparative effectiveness research in cancer screening programmes ⬇️

scientific article published on May 24, 2012

Comparison of the Multiattribute Utility Instruments EQ-5D and SF-6D in a Europe-Wide Population-Based Cohort of Patients with Inflammatory Bowel Disease 10 Years after Diagnosis

scientific article

Contemporary use of endoscopic retrograde cholangiopancreatography (ERCP): A Norwegian prospective, multicenter study ⬇️

scientific article published on June 22, 2011

Continuous development of colorectal cancer screening programs

scientific article published on 03 April 2019

Continuous evaluation of patient satisfaction in endoscopy centres

scientific article published on 01 July 2002

Contrasting US and European approaches to colorectal cancer screening: which is best?

scientific article published on March 2010

Current diet and colorectal adenomas: a case–control study including different sets of traditionally chosen control groups ⬇️

scientific article published on October 1, 2001

Design, organization and management of a controlled population screening study for detection of colorectal neoplasia: attendance rates in the NORCCAP study (Norwegian Colorectal Cancer Prevention).

scientific article published on May 2002

Different standards for healthy screenees than patients in routine clinics?

scientific article

Do no harm: no psychological harm from colorectal cancer screening

scientific article published on 11 February 2016

Do undesirable effects of screening affect all-cause mortality in flexible sigmoidoscopy programmes? Experience from the Telemark Polyp Study 1983-1996

scientific article published on 01 April 2001

Drinking water and the prevalence of colorectal adenomas: an epidemiologic study in Telemark, Norway

scientific article published on 01 October 1992

Effect of flexible sigmoidoscopy screening on colorectal cancer incidence and mortality: a randomized clinical trial

scientific article published in August 2014

Effectiveness of digital feedback on patient experience and 30-day complications after screening colonoscopy: a randomized health services study

article

Effectiveness of flexible sigmoidoscopy screening in men and women and different age groups: pooled analysis of randomised trials

scientific article (publication date: 13 January 2017)

Effects of Oral Anticoagulants and Aspirin on Performance of Fecal Immunochemical Tests in Colorectal Cancer Screening

scientific article published on 25 January 2019

Endoscopy assistants influence the quality of colonoscopy.

scientific article published on 14 February 2018

Enzyme patterns and flow cytometric DNA measurements in colorectal hyperplastic polyps and tubular adenomas less than five millimeters

scientific article

Epidemiology and histopathogenesis of colorectal cancer ⬇️

scientific article published on October 1, 1991

Epidemiology of polyps in the rectum and colon. Recovery and evaluation of unresected polyps 2 years after detection

scientific article published on 01 September 1986

Epidemiology of polyps in the rectum and sigmoid colon. Design of a population screening study

scientific article published in April 1985

Epidemiology of polyps in the rectum and sigmoid colon. Discriminant analysis for identification of individuals at risk of developing colorectal neoplasia

scientific article published on 01 September 1986

Epidemiology of polyps in the rectum and sigmoid colon. Endoscopic evaluation of size and localization of polyps

scientific article published in April 1985

Epidemiology of polyps in the rectum and sigmoid colon. Evaluation of breath methane and predisposition for colorectal neoplasia

scientific article published on 01 March 1986

Epidemiology of polyps in the rectum and sigmoid colon. Evaluation of nutritional factors

scientific article published in March 1986

Epidemiology of polyps in the rectum and sigmoid colon. Histological examination of resected polyps

scholarly article by G Hoff et al published 1 August 1985 in Scandinavian Journal of Gastroenterology

Epidemiology of polyps in the rectum and sigmoid colon. Size, enzyme levels, DNA distributions, and nuclear diameter in polyps of the large intestine

scientific article published in October 1985

European guidelines for quality assurance in colorectal cancer screening and diagnosis. First Edition--Colonoscopic surveillance following adenoma removal

scientific article

European guidelines for quality assurance in colorectal cancer screening and diagnosis. First Edition--Quality assurance in endoscopy in colorectal cancer screening and diagnosis

scientific article

European guidelines for quality assurance in colorectal cancer screening and diagnosis: overview and introduction to the full supplement publication

scientific article

Evaluating gut microbiota profiles from archived fecal samples

scientific article published on 08 November 2018

Evaluation of a novel colonoscope designed for easier passage through flexures: a randomized study

scientific article published in November 2005

Expression of NDRG2 is down-regulated in high-risk adenomas and colorectal carcinoma

scientific article

Fatigue in a population-based cohort of patients with inflammatory bowel disease 20 years after diagnosis: The IBSEN study.

scientific article

Favorable lifestyle before diagnosis associated with lower risk of screen-detected advanced colorectal neoplasia

scientific article published on July 2016

Flexible sigmoidoscopy versus faecal occult blood testing for colorectal cancer screening in asymptomatic individuals

scientific article (published 2013-10-01)

Flexible sigmoidoscopy versus faecal occult blood testing for colorectal cancer screening in asymptomatic individuals

scientific article

Functional inference of the methylenetetrahydrofolate reductase 677C > T and 1298A > C polymorphisms from a large-scale epidemiological study

scientific article published on 18 November 2006

Gastrointestinal cancer screening: screening may release new research funding to improve health service also in routine clinics

scientific article published on 10 April 2015

Gastronet survey on the use of one- or two-person technique for colonoscopy insertion ⬇️

scientific article published on June 14, 2011

Gene methylation profiles of normal mucosa, and benign and malignant colorectal tumors identify early onset markers

scientific article published on 31 December 2008

Grading of distal colorectal adenomas as predictors for proximal colonic neoplasia and choice of endoscope in population screening: experience from the Norwegian Colorectal Cancer Prevention study (NORCCAP).

scientific article published on March 2003

Growth of colorectal polyps: design of a prospective, randomized, placebo-controlled intervention study in patients with colorectal polyps

scientific article published on 01 October 1992

Health-related Quality of Life in Patients with Inflammatory Bowel Disease 20 Years After Diagnosis: Results from the IBSEN Study

scientific article

Health-related quality of life in inflammatory bowel disease in a European-wide population-based cohort 10 years after diagnosis

scientific article

Identification of an epigenetic biomarker panel with high sensitivity and specificity for colorectal cancer and adenomas

scientific article

Impact of a colonoscopic screening examination for colorectal cancer on later utilization of distal GI endoscopies

scientific article published on 01 December 2006

Impact of colorectal cancer screening on future lifestyle choices: a three-year randomized controlled trial

scientific article published on 23 March 2007

Improved breast cancer survival following introduction of an organized mammography screening program among both screened and unscreened women: a population-based cohort study

scientific article published on 06 July 2009

Improvement in caecal intubation rate and pain reduction by using 3-dimensional magnetic imaging for unsedated colonoscopy: a randomized trial of patients referred for colonoscopy

scientific article published on 01 July 2007

Improving Cancer Preventive Behaviors: A Randomized Trial of Tailored Lifestyle Feedback in Colorectal Cancer Screening

scientific article published on 02 November 2018

Incomplete endoscopic resection of colorectal polyps: a prospective quality assurance study

scientific article published on 22 September 2020

Incontinence after colonoscopy--an unrecognized and preventable problem. A cross-sectional study from the Gastronet quality assurance program.

scientific article published on 5 March 2012

Integration of preventive medicine in an emergency department. A pedagogic model for improvement of communication

scientific article published on May 20, 1997

Inter-endoscopist variation in polyp and neoplasia pick-up rates in flexible sigmoidoscopy screening for colorectal cancer

scientific article published in December 2003

Lifestyle as a predictor for colonic neoplasia in asymptomatic individuals

scientific article

Lifestyle changes at middle age and mortality: a population-based prospective cohort study

scientific article published on 16 June 2016

Lifestyle characteristics among participants in a Norwegian colorectal cancer screening trial

scientific article published on 01 February 2006

Lifestyle predictors for non-participation and outcome in the second round of faecal immunochemical test in colorectal cancer screening

scientific article published on 13 July 2017

Lifestyle-related risk factors and chemoprevention for colorectal neoplasia: experience from the large-scale NORCCAP screening trial

scientific article (publication date: August 2005)

Long-Term Effectiveness of Sigmoidoscopy Screening in Women and Men

Long-Term Effectiveness of Sigmoidoscopy Screening on Colorectal Cancer Incidence and Mortality in Women and Men: A Randomized Trial

scientific article published on 24 April 2018

Long-term colorectal-cancer mortality after adenoma removal

scientific article published on 01 August 2014

Long-term effectiveness of endoscopic screening on incidence and mortality of colorectal cancer: A randomized trial

scientific article

Long-term lifestyle changes after colorectal cancer screening: randomised controlled trial

scientific article published on 02 September 2014

Long-term result of a life style intervention group program

scientific article published on May 20, 1997

Long-term risk of colorectal cancer in individuals with serrated polyps

scientific article published on 16 November 2014

Look to Poland! Conversion from opportunistic screening to a randomized, national screening program for colorectal cancer

scientific article published on 02 December 2015

Magnetic endoscopic imaging versus standard colonoscopy in a routine colonoscopy setting: a randomized, controlled trial ⬇️

scientific article published on 08 April 2011

Meat, vegetables and genetic polymorphisms and the risk of colorectal carcinomas and adenomas

scientific article

Methods to Estimate the Comparative Effectiveness of Clinical Strategies that Administer the Same Intervention at Different Times.

scientific article

Modeling and validating the cost and clinical pathway of colorectal cancer

scientific article published on 29 July 2014

Modifiable factors associated with patient-reported pain during and after screening colonoscopy.

scientific article

Mortality From Postscreening (Interval) Colorectal Cancers Is Comparable to That From Cancer in Unscreened Patients-A Randomized Sigmoidoscopy Trial

scientific article published on 27 August 2018

NORCCAP (Norwegian colorectal cancer prevention): a randomised trial to assess the safety and efficacy of carbon dioxide versus air insufflation in colonoscopy

scientific article published on May 2002

New developments in colorectal cancer screening. Preface

scientific article published on 01 August 2010

New polyps, old tricks: controversy about removing benign bowel lesions.

scientific article published on 08 October 2013

Nitrous oxide for analgesia in colonoscopy without sedation

scientific article

Number of Adenomas Removed and Colorectal Cancers Prevented in Randomized Trials of Flexible Sigmoidoscopy Screening

scientific article published on 20 June 2018

Oncogene Mutations in Colorectal Polyps Identified in the Norwegian Colorectal Cancer Prevention (NORCCAP) Screening Study

scientific article published on 07 September 2016

Optimalisering gjennom randomisering

scientific article published on 30 October 2017

Pain in connection with colonoscopy in Norway

scientific article published on May 2013

Patient satisfaction with on-demand sedation for outpatient colonoscopy

scientific article

Patient-reported adverse events after colonoscopy in Norway

scientific article published on 26 April 2017

Patient-reported outcome measures after endoscopic retrograde cholangiopancreatography: a prospective, multicentre study ⬇️

scientific article published on May 31, 2013

Patients' satisfaction: an important factor in quality control of gastroscopies

scientific article published in August 2008

Patterns and predictive factors of complications after endoscopic retrograde cholangiopancreatography ⬇️

scientific article published on December 6, 2012

Performance measures for lower gastrointestinal endoscopy: a European Society of Gastrointestinal Endoscopy (ESGE) Quality Improvement Initiative

scientific article

Performance measures for lower gastrointestinal endoscopy: a European Society of Gastrointestinal Endoscopy (ESGE) quality improvement initiative

scientific article

Politics and science in colorectal cancer screening

scientific article published in June 2006

Polyethylene glycol versus sodium phosphate in bowel cleansing for colonoscopy: a randomized trial

scientific article published in June 2005

Polyp detection rates as quality indicator in clinical versus screening colonoscopy

Polypectomy of adenomas in the prevention of colorectal cancer: 10 years' follow-up of the Telemark Polyp Study I. A prospective, controlled population study.

scientific article

Polypectomy techniques among gastroenterologists in Norway - a nationwide survey.

scientific article published on 4 July 2018

Population-Based Colonoscopy Screening for Colorectal Cancer: A Randomized Clinical Trial

scientific article published on 23 May 2016

Psychological effects of colorectal cancer screening: Participants vs individuals not invited

scientific article

Public Awareness and Lobbying: Group 3 Report. ESGE/UEGF Colorectal Cancer--Public Awareness Campaign. The Public/Professional Interface Workshop: Oslo, Norway, June 20 - 22, 2003

scientific article published on 01 April 2004

Public Awareness and Perceptions of Colorectal Cancer Prevention: a Cross-Sectional Survey

scientific article published on 28 February 2020

Quality assurance as an integrated part of the electronic medical record - a prototype applied for colonoscopy

scientific article

Quality assurance in gastroenterology: QA in research, and research in QA ⬇️

scientific article published on June 1, 2011

Quality control in colorectal cancer screening: systematic microbiological investigation of endoscopes used in the NORCCAP (Norwegian Colorectal Cancer Prevention) trial

scientific article

Quality in the technical performance of screening flexible sigmoidoscopy: recommendations of an international multi-society task group

scientific article published on June 2005

Rationale and design of the European Polyp Surveillance (EPoS) trials

scientific article

Re: Baseline findings of the Italian multicenter randomized controlled trial of "once-only sigmoidoscopy"--SCORE

scientific article published on 01 July 2003

Recommendations for a step-wise comparative approach to the evaluation of new screening tests for colorectal cancer.

scientific article published on February 2016

Reduced pain during screening colonoscopy with an ultrathin colonoscope: a randomized controlled trial

scientific article published on 23 May 2012

Registration bias in a clinical quality register

article

Relationship between tobacco smoking and colorectal polyps

scientific article published on 01 January 1987

Risk of colorectal cancer seven years after flexible sigmoidoscopy screening: randomised controlled trial

scientific article

Risk stratification for advanced colorectal neoplasia--letter

scientific article published on 14 November 2012

Risk stratification to predict pain during unsedated colonoscopy: results of a multicenter cohort study ⬇️

scientific article published on July 24, 2013

Routine vs. on-demand analgesia in colonoscopy: a randomized clinical trial

scientific article published on 15 June 2016

SPG20, a novel biomarker for early detection of colorectal cancer, encodes a regulator of cytokinesis

scientific article

Screening for colorectal cancer?

scientific article published on May 30, 1997

Screening for sporadic colorectal cancer

scientific article published on 01 June 2002

Sensitivity of pain rating scales in an endoscopy trial

scientific article published in July 2005

Sigmoidoscopy and faecal occult blood test - a comparative screening trial

scientific article published on 23 May 2017

Sliding into the depths of sedation—is this what we want? ⬇️

scientific article published on April 23, 2013

Smoking and colorectal adenomas: a case-control study

scientific article published on 01 June 2000

Smoking, folate and methylenetetrahydrofolate reductase status as interactive determinants of adenomatous and hyperplastic polyps of colorectum

scientific article

Survival and costs of colorectal cancer treatment and effects of changing treatment strategies: a model approach

scientific article published on 09 November 2019

Sustaining the vitality of colonoscopy quality improvement programmes over time. Experience from the Norwegian Gastronet programme

scientific article published on 01 March 2010

Systematic quality control programme for colonoscopy in an endoscopy centre in Norway

scientific article

Tailoring the message with selective reporting

scientific article published on 30 May 2018

Testing for faecal calprotectin (PhiCal) in the Norwegian Colorectal Cancer Prevention trial on flexible sigmoidoscopy screening: comparison with an immunochemical test for occult blood (FlexSure OBT).

scientific article published on September 2004

The German colonoscopy screening program: the quality of a quality register

scientific article published on 25 September 2013

The NordICC Study: rationale and design of a randomized trial on colonoscopy screening for colorectal cancer

scientific article

The Norwegian Colorectal Cancer Prevention (NORCCAP) screening study: baseline findings and implementations for clinical work-up in age groups 50-64 years

scientific article published on June 2003

The Norwegian Gastronet project: Continuous quality improvement of colonoscopy in 14 Norwegian centres

scientific article published on 01 April 2006

The Norwegian guidelines for surveillance after polypectomy: 10-year intervals

scientific article published on 01 September 1996

The flexible sigmoidoscope

scientific article published in October 2000

The science and politics of colorectal cancer screening

scientific article

The use of CO2 in colonoscopy

scientific article published on 01 March 2003

Thyroidectomy Versus Medical Management for Euthyroid Patients With Hashimoto Disease and Persisting Symptoms: A Randomized Trial

scientific article published on 12 March 2019

Time trends in quality indicators of colonoscopy

scientific article published on 5 February 2015

Transcobalamin Polymorphism 67A->G, but Not 776C->G, Affects Serum Holotranscobalamin in a Cohort of Healthy Middle-Aged Men and Women

Trends in colorectal cancer incidence in Norway by gender and anatomic site: an age–period–cohort analysis

article

Use of a disposable sheath system for flexible sigmoidoscopy in decentralized colorectal cancer screening

scientific article published in October 2002

Water exchange versus carbon dioxide insufflation in unsedated colonoscopy: a multicenter randomized controlled trial

scientific article published on 20 November 2014

Who Is for CO2? Slow Adoption of Carbon Dioxide Insufflation in Colonoscopy

scientific article published on 10 May 2016

Withdrawal time as a quality indicator for colonoscopy - a nationwide analysis

scientific article published on 24 April 2012

Workgroup III: facilitating screening for colorectal cancer: quality assurance and evaluation. UICC International Workshop on Facilitating Screening for Colorectal Cancer, Oslo, Norway (29 and 30 June 2002).

scientific article published in January 2005

[Colorectal cancer registry]

scientific article published on 01 November 2007

[Colorectal cancer screening is urgent]

scientific article published on 01 May 2010

[Colorectal cancer screening--at last discussed!]

scientific article published on 01 October 2010

[Colorectal polyps. Diagnosis and treatment. A 7-year colonoscopic case load from Telemark]

scientific article published on 01 June 1983

[Consensus-based guidelines may prevent necessary research]

scientific article published on 01 January 2014

[Diagnosis of colorectal cancer]

scientific article published on 01 June 1982

[Heredity and colorectal cancer]

scientific article published on 01 December 1990

[Politics and science in colorectal cancer screening]

scientific article published on 01 June 2006

[Prevention and early diagnosis of colorectal cancer]

scientific article published on 01 October 2007

[Quality improvement in Norwegian hospitals]

scientific article published on 01 May 2005

[endoscopic removal of gastric polyps]

scientific article published on 01 October 1980

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