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Table 1 Initiative on Methods, Measurement, and Pain Assessment in Clinical Trials (IMMPACT) core domains (1 to 6)[38–40] and additional patient reported core domains (7 to 9)[37]

From: Opioids for chronic non-cancer pain: a protocol for a systematic review of randomized controlled trials

Domain

Criteria

1

Pain

2

Physical functioning (including quality of life)

3

Emotional functioning

4

Participant rating of improvement and satisfaction with treatment

5

Adverse symptoms and adverse events

6

Participant disposition (for example, adherence to the treatment regime and reasons for premature withdrawal from the trial)

7

Role functioning (that is, work and educational activities, social and recreational activities, home and family care)

8

Interpersonal functioning (that is, interpersonal relationships, sexual activities)

9

Sleep and fatigue