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Table 3.5.14 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 />

Outcome measure<br />

Sensitivity<br />

Specificity<br />

Study quality<br />

Comments<br />

Ramirez Basco<br />

et al<br />

2000<br />

[7]<br />

USA<br />

Design<br />

Cross sectional<br />

and longitudinal<br />

Setting<br />

Community mental health<br />

centre in Dallas, USA<br />

Population<br />

210 outpatients recruited,<br />

200 completed both interviews<br />

Inclusion criteria<br />

Not reported<br />

Exclusion criteria<br />

Not reported<br />

Prevalence<br />

BP: 25% (50/200)<br />

MDD: 19% (38/200)<br />

Schizoaffective: 18% (36/200)<br />

Index test<br />

I1: SCID-I diagnoses.<br />

Including family history of<br />

psychiatric illness, general<br />

medical history. A life chart<br />

was constructed<br />

I2: SCID-I-plus-chart diagnoses.<br />

Above + medical records<br />

Reference test<br />

LEAD<br />

Interview after a week with<br />

one of prime investigators<br />

(psychiatrist or psýchologist)<br />

after reviewing all data<br />

Number of patients<br />

n=200<br />

Mean age: 37.6 years<br />

(SD 10)<br />

116 (58%) females<br />

134 (67%) Caucasian<br />

Rater of index test<br />

Three psychiatric nurses<br />

Training of index test<br />

Yes<br />

Rater of reference test<br />

One of three psychiatrists<br />

or an psychologist<br />

Training of reference test<br />

NA<br />

Interobserver reliability<br />

Not reported<br />

Bipolar disorder (n=50)<br />

SCID-I<br />

Sensitivity: 76%<br />

Specificity: 93%<br />

SCID-I + chart<br />

Sensitivity: 88%<br />

Specificity: 93%<br />

Major depressive<br />

disorder (n=38)<br />

SCID-I<br />

Sensitivity: 84%<br />

Specificity: 91%<br />

SCID-I + chart<br />

Sensitivity: 82%<br />

Specificity: 96%<br />

Schizoaffective<br />

disorder (n=36)<br />

SCID-I<br />

Sensitivity: 53%<br />

Specificity: 97%<br />

Moderate<br />

Comments<br />

Sampling method<br />

Adequate<br />

Blinding<br />

Yes, and NA<br />

Handling of missing data<br />

Adequate<br />

Other comments<br />

Low drop-out rate.<br />

Raters were trained but no<br />

interrater reliability reported.<br />

Analysis of time requirements<br />

for the diagnostic steps, and<br />

effects on treatment of diagnostic<br />

feedback, adds further<br />

to clinical relevance<br />

Drop-out rate<br />

5%<br />

SCID-I + chart<br />

Sensitivity: 89%<br />

Specificity: 95%<br />

BP = Bipolar disorder; LEAD = Longitudinal, Experts, All Data procedure; MDD = Major<br />

depressive disorder; NA = Not applicable; SCID-I = Structured clinical interview for<br />

DSM-IV axis I disorders; SCID-I-CV = Structured clinical interview for DSM-IV, clinical<br />

version<br />

296 diagnostik och uppföljning av förstämningssyndrom<br />

KAPITEL 3 • Systematisk litteraturgenomgång<br />

297

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