Side-by-side comparison helps you choose the right calculator for a specific clinical question.
Mental Health
Screen for generalized anxiety disorder using the GAD-7. Score ranges from 0 to 21 across four severity categories.
Formula
Total score = sum of all 7 items (each 0-3). Range 0-21.
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