CDSS

Calgary Depression Scale for Schizophrenia

Domain
Psychosis
Items
9
Rater
Clinician-rated

Cutoffs

BandScore
MDD likely≥6

Diagnostic performance

Sensitivity
0.82
Specificity
0.85
AUC / note
0.90

Clinical notes

Disentangles depression from negative symptoms and EPSE in schizophrenia.

Cutoffs and performance figures are pooled or landmark estimates and vary by population and comparator. Use only with appropriate clinical training. Not a diagnostic algorithm.