Research Topics
| N SiegfriedSummaryAffiliation: UK Cochrane Centre Country: UK Publications
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Detail Information
Publications
Research synthesis and dissemination as a bridge to knowledge management: the Cochrane CollaborationJimmy Volmink
Primary Health Care Directorate, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
Bull World Health Organ 82:778-83. 2004..Finally, we highlight the need for increased investment in the preparation and maintenance of Cochrane reviews, particularly those that address health issues that are relevant to people living in low- and middle-income countries...
Randomised controlled trials in Africa of HIV and AIDS: descriptive study and spatial distributionNandi Siegfried
UK Cochrane Centre, Oxford OX2 7LG
BMJ 331:742. 2005..To identify and describe randomised controlled trials on HIV and AIDS conducted in Africa and to map their spatial distribution using exact geographic coordinates...
HIV and male circumcision--a systematic review with assessment of the quality of studiesN Siegfried
South African Cochrane Centre, Medical Research Council, South Africa
Lancet Infect Dis 5:165-73. 2005..Although most studies show an association between male circumcision and prevention of HIV, these results may be limited by confounding, which is unlikely to be adjusted for...
Does male circumcision prevent HIV infection?Nandi Siegfried
South African Nuffield Medical Fellow at the University of Oxford, Oxford, United Kingdom
PLoS Med 2:e393. 2005
Scope and geographical distribution of African medical journals active in 2005Nandi Siegfried
Clinical Trials Service Unit, Oxford University and United Kingdom Cochrane Centre, Oxford, UK
S Afr Med J 96:533-8. 2006..To identify all African medical journals actively publishing in 2005, and to create a geodatabase of these to evaluate and monitor future journal activity...
The sensitivity and precision of search terms in Phases I, II and III of the Cochrane Highly Sensitive Search Strategy for identifying reports of randomized trials in medline in a specific area of health care--HIV/AIDS prevention and treatment interventioAnne Eisinga
UK Cochrane Centre, Summertown Pavilion, Middle Way, Oxford, UK
Health Info Libr J 24:103-9. 2007..To detect term(s) in the Cochrane Highly Sensitive Search Strategy (HSSS) that retain high sensitivity but improve precision in retrieving reports of trials in the PubMed version of medline...
African HIV/AIDS trials are more likely to report adequate allocation concealment and random generation than North American trialsNandi Siegfried
Clinical Trial Service Unit, University of Oxford, Oxford, United Kingdom
PLoS ONE 3:e3491. 2008..We postulated that location may negatively impact on trial quality in regions where resources are scarce...
Optimal time for initiation of antiretroviral therapy in asymptomatic, HIV-infected, treatment-naive adultsNandi Siegfried
South African Cochrane Centre, South African Medical Research Council, PO Box 19070, Tygerberg, South Africa, 7505
Cochrane Database Syst Rev 3:CD008272. 2010..Practitioners and policy-makers may consider initiating ART at levels </= 350 cells/microL for patients who present to health services and are diagnosed with HIV early in the infection...
The cost of access to HIV treatmentPaul Galatowitsch
Science 314:1540-1; author reply 1540-1. 2006
Cautious optimism for new HIV/AIDS prevention strategiesEdward Mills
Lancet 368:1236. 2006
