User profiles for Ian R. White
Ian WhiteMRC Clinical Trials Unit at UCL Verified email at ucl.ac.uk Cited by 87543 |
RoB 2: a revised tool for assessing risk of bias in randomised trials
Assessment of risk of bias is regarded as an essential component of a systematic review on
the effects of an intervention. The most commonly used tool for randomised trials is the …
the effects of an intervention. The most commonly used tool for randomised trials is the …
[HTML][HTML] Multiple imputation for missing data in epidemiological and clinical research: potential and pitfalls
… Ian R White, senior scientist2, … Carpenter JR, Kenward MG, White IR. Sensitivity
analysis after multiple imputation under missing at random: a weighting approach. Stat …
analysis after multiple imputation under missing at random: a weighting approach. Stat …
Multiple imputation using chained equations: issues and guidance for practice
Multiple imputation by chained equations is a flexible and practical approach to handling
missing data. We describe the principles of the method and show how to impute categorical …
missing data. We describe the principles of the method and show how to impute categorical …
[HTML][HTML] Blood pressure and incidence of twelve cardiovascular diseases: lifetime risks, healthy life-years lost, and age-specific associations in 1· 25 million people
Background The associations of blood pressure with the different manifestations of incident
cardiovascular disease in a contemporary population have not been compared. In this study, …
cardiovascular disease in a contemporary population have not been compared. In this study, …
Review of inverse probability weighting for dealing with missing data
SR Seaman, IR White - Statistical methods in medical …, 2013 - journals.sagepub.com
The simplest approach to dealing with missing data is to restrict the analysis to complete
cases, ie individuals with no missing values. This can induce bias, however. Inverse probability …
cases, ie individuals with no missing values. This can induce bias, however. Inverse probability …
European Society of Contact Dermatitis guideline for diagnostic patch testing–recommendations on best practice
…, R Spiewak, JP Thyssen, M Vigan, IR White… - Contact …, 2015 - Wiley Online Library
The present guideline summarizes all aspects of patch testing for the diagnosis of contact
allergy in patients suspected of suffering, or having been suffering, from allergic contact …
allergy in patients suspected of suffering, or having been suffering, from allergic contact …
Multiple imputation by chained equations (MICE): implementation in Stata
Missing data are a common occurrence in real datasets. For epidemiological and prognostic
factors studies in medicine, multiple imputation is becoming the standard route to estimating …
factors studies in medicine, multiple imputation is becoming the standard route to estimating …
Using simulation studies to evaluate statistical methods
Simulation studies are computer experiments that involve creating data by pseudo‐random
sampling. A key strength of simulation studies is the ability to understand the behavior of …
sampling. A key strength of simulation studies is the ability to understand the behavior of …
Consistency and inconsistency in network meta‐analysis: model estimation using multivariate meta‐regression
Network meta‐analysis (multiple treatments meta‐analysis, mixed treatment comparisons)
attempts to make the best use of a set of studies comparing more than two treatments. …
attempts to make the best use of a set of studies comparing more than two treatments. …
Imputing missing covariate values for the Cox model
Multiple imputation is commonly used to impute missing data, and is typically more efficient
than complete cases analysis in regression analysis when covariates have missing values. …
than complete cases analysis in regression analysis when covariates have missing values. …