Share

Avoiding verification bias in screening test evaluation in resource poor settings: a case study from Zimbabwe

Journal Article
(Published 2008)
Gaffikin L (Author),
McGrath J (Author),
Arbyn M (Author),
Blumenthal PD. (Author)
0 votes
0 comments
5146 views
The article uses an example from an study in Zimbabwe to show how the assumptions needed for unbiased statistical adjustment for verification bias can be undermined by conditions on the ground, and that accuracy of estimates is also compromised by too low a sampling fraction of subjects who test negative.

Downloads for this Resource

FileSize
14.51 KB
Citation: 
Gaffikin L, McGrath J, Arbyn M, Blumenthal PD. Avoiding verification bias in screening test evaluation in resource poor settings: a case study from Zimbabwe. Clin Trials. 2008; 5(5): 496–503.