Side-by-side comparison helps you choose the right calculator for a specific clinical question.
Mental Health
Screen for depression using the WHO-endorsed Major Depression Inventory (MDI). A 10-item self-report questionnaire scoring 0–50.
Formula
Sum of 10 items (each 0–5). For paired items (8a/8b, 10a/10b), use the higher score. Total: 0–50.
Inputs
Mental Health
Screen for depression severity using the Patient Health Questionnaire-9 (PHQ-9). Score ranges from 0 to 27 across five severity categories.
Formula
Total score = sum of all 9 items (each 0-3). Range 0-27.
Inputs