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List of works by Ruth Keogh

Adjusting for time-varying confounders in survival analysis using structural nested cumulative survival time models

scientific article published on 28 September 2019

COVID-19 Mortality Risk in Down Syndrome: Results From a Cohort Study Of 8 Million Adults

scientific article published on 21 October 2020

Causal inference in survival analysis using longitudinal observational data: Sequential trials and marginal structural models

scientific article published in 2023

Cystic Fibrosis Point of Personalized Detection (CFPOPD): An Interactive Web Application

scientific article published on 16 December 2020

Dynamic predictive probabilities to monitor rapid cystic fibrosis disease progression

scientific article published on 09 December 2019

Estimating long-term treatment effects in observational data: A comparison of the performance of different methods under real-world uncertainty.

scientific article published on 19 April 2018

Importance of patient bed pathways and length of stay differences in predicting COVID-19 hospital bed occupancy in England

scientific article published on 09 June 2021

Mecor: An R package for measurement error correction in linear regression models with a continuous outcome

scientific article published on 17 June 2021

Multiple imputation in Cox regression when there are time-varying effects of covariates

scientific article published on 16 July 2018

Multiple imputation of missing data in nested case-control and case-cohort studies

scientific article published on 05 June 2018

Observational study to estimate the changes in the effectiveness of bacillus Calmette-Guérin (BCG) vaccination with time since vaccination for preventing tuberculosis in the UK.

scientific article published in July 2017

Results from an online survey of adults with cystic fibrosis: Accessing and using life expectancy information

scientific article published on 12 April 2019

STRATOS guidance document on measurement error and misclassification of variables in observational epidemiology: Part 1-Basic theory and simple methods of adjustment

scientific article published on 03 April 2020

STRATOS guidance document on measurement error and misclassification of variables in observational epidemiology: Part 2-More complex methods of adjustment and advanced topics

scientific article published on 03 April 2020

The duration of protection of school-aged BCG vaccination in England: a population -based case-control study

scientific article published on 31 August 2017

Using surrogate biomarkers to improve measurement error models in nutritional epidemiology

scientific article published on 02 April 2013

Waning effectiveness of BNT162b2 and ChAdOx1 covid-19 vaccines over six months since second dose: OpenSAFELY cohort study using linked electronic health records