Warnings and tips regarding patient rated scales/questionnaires

This article was published on August 22, 2024, and expanded on August 23, 2024. Let’s first look at the PHQ-9, a commonly used patient-rated scale, which we can use as an example to illustrate my warnings and tips. Patient Health Questionnaire (PHQ-9) This scale has 9 items corresponding to the 9 symptoms in the DSM-5-TR®…