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Screening tests: likelihood ratios

Authors: P. Sedgwick;

Screening tests: likelihood ratios

Abstract

The accuracy of asking patients two questions as a screening tool for depression in primary care was assessed.1 The questions focused on depression and pleasure within the past month. Consecutive patients not taking psychotropic drugs who attended their general practice were invited to participate, of whom 421 agreed. Patients were asked the two questions at any time during their consultation, and if the response to either was positive then screening was considered “positive” and the patient deemed at “high risk” of depression; otherwise screening was considered “negative” and the patient deemed at “low risk” of depression. A self completed, computerised international diagnostic interview was used to diagnose depression. The two questions showed a sensitivity of 97% and specificity of …

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
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