Author, Year Country | Intervention (I) | Comparison (C) | Participants details (I/C) Number allocated (N), Mean age (year) Gender (% female) | Diagnostic criteria | Duration Session duration Frequency No. of sessions (ss), period (# weeks) | Outcome measure momentsa (weeks) | Main outcome measures 1 Primary 2 Secondary | Adverse events Treatment withdrawn (I/C) ITTb | Results (benefits), compared to controlc Concl.—authors own conclusion |
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Pinxsterhuis et al 2017 [67] Norway | Group-based self-management education, based on a self-efficacy theory and the ‘energy envelope’ theory (pacing) | CAU | N = 146 (73/73) Age: 44 94% / 82% | CCC and CDC-94/Fukuda criteria | 2.5 h every 2 weeks, 16 weeks | 26 52 | 1: SF-36 2: FSS, SES, ICQ | No 2/6 No | Short: SF-36 ns, FSS (C) p < 0.05, SES p < 0.05, ICQ ns Long: all outcome ns Concl.: this self-management program for CFS patients did not show a sustained effect |