User profiles for Ian R. White

Ian White

MRC 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

…, S Shepperd, I Shrier, LA Stewart, K Tilling, IR White… - bmj, 2019 - bmj.com
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 …

[HTML][HTML] Multiple imputation for missing data in epidemiological and clinical research: potential and pitfalls

JAC Sterne, IR White, JB Carlin, M Spratt, P Royston… - Bmj, 2009 - bmj.com
Ian R White, senior scientist2, … Carpenter JR, Kenward MG, White IR. Sensitivity
analysis after multiple imputation under missing at random: a weighting approach. Stat …

Multiple imputation using chained equations: issues and guidance for practice

IR White, P Royston, AM Wood - Statistics in medicine, 2011 - Wiley Online Library
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 …

[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

…, M Pujades-Rodriguez, AD Shah, S Denaxas, IR White… - The Lancet, 2014 - thelancet.com
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, …

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 …

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 …

Multiple imputation by chained equations (MICE): implementation in Stata

P Royston, IR White - Journal of statistical software, 2011 - jstatsoft.org
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 …

Using simulation studies to evaluate statistical methods

TP Morris, IR White, MJ Crowther - Statistics in medicine, 2019 - Wiley Online Library
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 …

Consistency and inconsistency in network meta‐analysis: model estimation using multivariate meta‐regression

IR White, JK Barrett, D Jackson… - Research synthesis …, 2012 - Wiley Online Library
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. …

Imputing missing covariate values for the Cox model

IR White, P Royston - Statistics in medicine, 2009 - Wiley Online Library
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. …