What is a PHQ-9 score?
What is a PHQ-9 score?
The Patient Health Questionnaire (PHQ) is a 3-page questionnaire that can be entirely self-administered by the patient. As a severity measure, the PHQ-9 score can range from 0 to 27, since each of the 9 items can be scored from 0 (not at all) to 3 (nearly every day).
How do you read a PHQ-9?
PHQ-9 scoring
- 1-4: This is considered minimal depression, which suggests that the respondent may not need depression treatment.
- 5-9: This is considered mild depression.
- 10-14: This is considered moderate depression.
- 15-19: This is considered moderately severe depression.
- 20-27: This is considered severe depression.
How is PHQ-9 score calculated?
PHQ-9 Depression Severity. This is calculated by assigning scores of 0, 1, 2, and 3, to the response categories of ―not at all,‖ ―several days,‖ ―more than half the days,‖ and ―nearly every day,‖ respectively. PHQ-9 total score for the nine items ranges from 0 to 27.
Who uses the PHQ-9?
The PHQ-9 is designed for use with adults in assessing and monitoring depression severity based on Diagnostic and Statistical Manual of Mental Disorders (4th ed.; DSM-IV; American Psychiatric Association [APA], 1994) and International Classification of Diseases,10th Edition (ICD-10) diagnostic criteria (Lowe, Unutzer.