• Christine M Gagnon, Paul Scholten, and James Atchison.
• Shirley Ryan AbilityLab, Pain Management Center, Chicago, Illinois, U.S.A.
• Pain Pract. 2018 Nov 1; 18 (8): 997-1010.

ObjectivesTo assess patient impression of change following interdisciplinary pain management utilizing a newly developed Multidimensional Patient Impression of Change (MPIC) questionnaire.MethodsA heterogeneous group of chronic pain patients (N = 601) participated in an interdisciplinary treatment program. Programs included individual and group therapies (pain psychology, physical therapy, occupational therapy, relaxation training/biofeedback, aerobic conditioning, patient education and medical management). Patients completed measures of pain, mood, coping, physical functioning and pain acceptance both prior to and at completion of their treatment programs. The newly developed MPIC is an expansion to the Patient Global Impression of Change (PGIC) including seven additional domains (Pain, Mood, Sleep, Physical Functioning, Cope with Pain, Manage Pain Flare-ups, and Medication Effectiveness). The MPIC was administered to the patients post-treatment.ResultsThere were statistically significant pre- to post-treatment improvements found on all outcome measures. The majority of these improvements were significantly correlated with all domains of the MPIC. The original PGIC item was significantly associated with all of the new MPIC domains and the MPIC domains were significantly associated with each other; but there were variations in the distribution of responses highlighting variation of perceived improvements among the domains. The MPIC accounted for greater amounts of variance among the program outcomes than did the PGIC.ConclusionOur results support the use of the MPIC as a quick and easy post-treatment assessment screening tool. Future research is needed to examine relevant correlates to Medication Effectiveness.© 2018 World Institute of Pain.

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