Side-by-side comparison helps you choose the right calculator for a specific clinical question.
Mental Health
Quick two-question depression screen using the PHQ-2. A score of 3 or higher suggests further evaluation with the full PHQ-9.
Formula
Total score = sum of 2 items (each 0-3). Range 0-6. Positive screen ≥ 3.
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