Side-by-side comparison helps you choose the right calculator for a specific clinical question.
Mental Health
Screen for PTSD using the PCL-5 checklist. Score ranges from 0 to 80; a score of 31-33 or higher suggests probable PTSD.
Formula
Total score = sum of all 20 items (each 0-4). Range 0-80. Clinical cutoff ≥ 31-33.
Inputs
Mental Health
Free PHQ-9 depression screening questionnaire. Take the Patient Health Questionnaire-9 to assess depression severity with instant scoring and interpretation. Also screen for anxiety with [GAD-7](/tools/gad7).
Formula
Total score = sum of all 9 items (each 0-3). Range 0-27.
Inputs