C-SSRS

Columbia-Suicide Severity Rating Scale

Domain
Suicide/Risk
Items
Variable
Rater
Clinician-rated

Cutoffs

BandScore
High riskIdeation 4–5 or any behaviour

Diagnostic performance

Sensitivity
Specificity
AUC / note
FDA standard for trials

Clinical notes

Structured ideation + behaviour assessment; multiple validated versions (screen, full).

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.