Risk of bias from inclusion of patients who already have diagnosis of or are undergoing treatment for depression in diagnostic accuracy studies of screening tools for depression: systematic review.

ABSTRACT:

Objectives

To investigate the proportion of original studies included in systematic reviews and meta-analyses on the diagnostic accuracy of screening tools for depression that appropriately exclude patients who already have a diagnosis of or are receiving treatment for depression and to determine whether these systematic reviews and meta-analyses evaluate possible bias from the inclusion of such patients.

Design

Systematic review.

Data sources

Medline, PsycINFO, CINAHL, Embase, ISI, SCOPUS, and Cochrane databases were searched from 1 January 2005 to 29 October 2009.

Eligibility criteria for selecting studies

Systematic reviews and meta-analyses in any language that reported on the diagnostic accuracy of screening tools for depression.

Results

Only eight

SUBMITTER: Thombs BD 

PROVIDER: S-EPMC3191850 | biostudies-literature | 2011 Aug

REPOSITORIES: biostudies-literature