Affiliation: London School of Hygiene and Tropical Medicine
- Restricted randomization of ZAMSTAR: a 2 x 2 factorial cluster randomized trialCharalambos Sismanidis
Department of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, UK
Clin Trials 5:316-27. 2008..Variance reduction that can be achieved through stratification and blocking is limited. Restricted randomization is an alternative approach that ensures balanced allocation...
- Risk factors for house-entry by malaria vectors in a rural town and satellite villages in The GambiaMatthew J Kirby
School of Biological and Biomedical Sciences, Durham University, Science Laboratories, South Road, Durham DH1 3LE, UK
Malar J 7:2. 2008....
- Trends in the prevalence and management of diagnosed type 2 diabetes 1994-2001 in England and WalesSimon Lusignan
Department of Community Health Sciences, St George s Hospital Medical School, London SW17 0RE, UK
BMC Fam Pract 6:13. 2005..This study aims to document trends in the prevalence, drug treatment and recording of measures related to the management of type 2 diabetes; and to assess whether recommended targets can be met...
- Prevalence of tuberculosis, HIV and respiratory symptoms in two Zambian communities: implications for tuberculosis control in the era of HIVHelen Ayles
Department of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom
PLoS ONE 4:e5602. 2009..Current tuberculosis control strategies in high HIV prevalent settings are therefore based on limited epidemiological evidence and more evidence is needed from community-based surveys to inform improved policy formulation...
- ZAMSTAR, The Zambia South Africa TB and HIV Reduction Study: design of a 2 x 2 factorial community randomized trialHelen M Ayles
Department of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, UK, ZAMBART Project, University of Zambia, Lusaka, Zambia, Africa
Trials 9:63. 2008..This paper presents the design of a community randomised trial to evaluate the impact of two complex interventions on the prevalence of tuberculosis (TB) in high HIV prevalence settings in Zambia and South Africa...
- A pivotal registration phase III, multicenter, randomized tuberculosis controlled trial: design issues and lessons learnt from the Gatifloxacin for TB (OFLOTUB) projectCorinne S C Merle
Faculty of Epidemiology and Population Health, Tropical Epidemiological Group, London School of Hygiene and Tropical Medicine, Keppel Street, London, WC1E 7HT, UK
Trials 13:61. 2012..re-infections in the definition of the outcome? What is the optimal length of patient follow-up? Is blinding appropriate when treatment duration in test arm is shorter? What are the appropriate assumptions for sample size calculation?..