User profiles for P. R. Williamson
 | Paula R WilliamsonVerified email at liv.ac.uk Cited by 50440 |
[HTML][HTML] Systematic review of the empirical evidence of study publication bias and outcome reporting bias
…, D Ghersi, JPA Ioannidis, J Simes, PR Williamson - PloS one, 2008 - journals.plos.org
Background The increased use of meta-analysis in systematic reviews of healthcare
interventions has highlighted several types of bias that can arise during the completion of a …
interventions has highlighted several types of bias that can arise during the completion of a …
[HTML][HTML] Developing core outcome sets for clinical trials: issues to consider
The selection of appropriate outcomes or domains is crucial when designing clinical trials in
order to compare directly the effects of different interventions in ways that minimize bias. If …
order to compare directly the effects of different interventions in ways that minimize bias. If …
[HTML][HTML] The COMET handbook: version 1.0
PR Williamson, DG Altman, H Bagley, KL Barnes… - Trials, 2017 - Springer
The selection of appropriate outcomes is crucial when designing clinical trials in order to
compare the effects of different interventions directly. For the findings to influence policy and …
compare the effects of different interventions directly. For the findings to influence policy and …
Design and analysis of pilot studies: recommendations for good practice
…, S Dodd, PR Williamson - Journal of evaluation in …, 2004 - Wiley Online Library
Pilot studies play an important role in health research, but they can be misused, mistreated
and misrepresented. In this paper we focus on pilot studies that are used specifically to plan a …
and misrepresented. In this paper we focus on pilot studies that are used specifically to plan a …
[HTML][HTML] Adverse drug reactions in hospital in-patients: a prospective analysis of 3695 patient-episodes
EC Davies, CF Green, S Taylor, PR Williamson… - PLoS one, 2009 - journals.plos.org
Adverse drug reactions (ADRs) are a major cause of hospital admissions, but recent data on
the incidence and clinical characteristics of ADRs which occur following hospital admission, …
the incidence and clinical characteristics of ADRs which occur following hospital admission, …
The SANAD study of effectiveness of valproate, lamotrigine, or topiramate for generalised and unclassifiable epilepsy: an unblinded randomised controlled trial
Background Valproate is widely accepted as a drug of first choice for patients with generalised
onset seizures, and its broad spectrum of efficacy means it is recommended for patients …
onset seizures, and its broad spectrum of efficacy means it is recommended for patients …
The SANAD study of effectiveness of carbamazepine, gabapentin, lamotrigine, oxcarbazepine, or topiramate for treatment of partial epilepsy: an unblinded …
Background Carbamazepine is widely accepted as a drug of first choice for patients with
partial onset seizures. Several newer drugs possess efficacy against these seizure types but …
partial onset seizures. Several newer drugs possess efficacy against these seizure types but …
The impact of outcome reporting bias in randomised controlled trials on a cohort of systematic reviews
… Hutton JL, Williamson PR. Bias in meta-analysis due to outcome variable 5 selection within
studies. … Williamson PR, Gamble C. Application and investigation of a bound 13 for outcome …
studies. … Williamson PR, Gamble C. Application and investigation of a bound 13 for outcome …
[HTML][HTML] Systematic review of the empirical evidence of study publication bias and outcome reporting bias—an updated review
K Dwan, C Gamble, PR Williamson, JJ Kirkham… - PloS one, 2013 - journals.plos.org
Background The increased use of meta-analysis in systematic reviews of healthcare
interventions has highlighted several types of bias that can arise during the completion of a …
interventions has highlighted several types of bias that can arise during the completion of a …
[HTML][HTML] A randomized trial of genotype-guided dosing of warfarin
…, AH Maitland-van der Zee, PR Williamson… - … England Journal of …, 2013 - Mass Medical Soc
Background The level of anticoagulation in response to a fixed-dose regimen of warfarin is
difficult to predict during the initiation of therapy. We prospectively compared the effect of …
difficult to predict during the initiation of therapy. We prospectively compared the effect of …