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Table 3.5.26 continued<br />

Author<br />

Year<br />

Reference<br />

Country<br />

Study design<br />

Setting<br />

Population<br />

Inclusion & exclusion criteria<br />

Prevalence<br />

Index test<br />

Reference test<br />

Number of patients<br />

Drop-out rate<br />

Rater<br />

Rater training<br />

Interobserver reliability<br />

Sensitivity<br />

Specificity<br />

Study quality<br />

Comments<br />

Mersch et al<br />

2004<br />

[108]<br />

The Netherlands<br />

Design<br />

Cross sectional, case-control study<br />

Setting<br />

Research at a university hospital<br />

in the Netherlands<br />

Population<br />

n=45 patients from the<br />

SAD treatment program<br />

n=48 depressed<br />

patients (BDI >16)<br />

Index test<br />

SPAQ<br />

Reference test<br />

Checklist criteria for SAD<br />

BDI cutoff 16<br />

Number of patients<br />

164<br />

Drop-out rate<br />

20%<br />

Rater of reference test<br />

Experienced clinical psychologist<br />

for SAD patients and<br />

depressed patients<br />

Training of reference test<br />

–<br />

Interobserver reliability<br />

Not reported<br />

SAD<br />

Sensitivity: 44%<br />

Specificity: 94%<br />

Low<br />

Comments<br />

Sampling method<br />

No, patients were selected<br />

according to checklist and<br />

BDI scores<br />

Blinding<br />

Yes<br />

Handling of missing data<br />

Not reported<br />

n=46 non-depressed<br />

outpatients (BDI

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