Patient's Global Impression of Improvement (PGI-I)
A single-item questionnaire assessing a patient's perception of change in their condition following treatment. Uses a 7-point scale from "Very much improved" to "Very much worse".
Instructions:
Please rate your overall status since the start of treatment by selecting the option that best describes your condition. Consider how you feel now compared to when you started treatment.
Global Impression of Improvement
1
Very much improved2
Much improved3
A little improved4
No change5
A little worse6
Much worse7
Very much worsePatient Watch Form - 4/2/2026