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Table 1 Characteristics of Included studies

From: Pain management with acupuncture in osteoarthritis: a systematic review and meta-analysis

Study RCT type Number of participants (Acupuncture/control) Setting Mean age (SD) Control intervention Total acupuncture sessions Co-interventions Duration of intervention Duration of follow up
Scharf, 2006[35] Multicentre 691 (326/365) Primary care centres 62.90 (7.36) Usual care (analgesics and NSAIDs; physio sessions) 10 NSAIDs 6 weeks 26 weeks
Foster, 2007[31] Multicentre 233 (117/116) Outpatients physio departments 62.96 (10.45) Sham acupuncture 6 NSAIDs and analgesics 3 weeks 52 weeks
Witt, 2006[13] Multicentre 219 (149/70) Outpatients physio departments 64 (7) Waiting list 12 NSAIDs 8 weeks 52 weeks
White, 2011[38] Single centre 147 (74/73) Primary care centers 66.75 ( 8.29) Sham acupuncture 8 NR 4 weeks NR
Williamson, 2007[39] Single centre 121 (60/61) Outpatients physio department 71.36 (8.22) Usual care (supervised exercises; advice leaflet) 6 NR 6 weeks 12 weeks
Vas, 2004[37] Single centre 97 (48/49) Primary care centre 65.70 (15.76) Sham acupuncture 11 NSAIDs 12 weeks NR
Soni, 2012[36] Single centre 56 (28/28) Outpatients physio department 68.75 (8.7) Usual care (exercises and advice leaflet) 6 NR 8 weeks 12 weeks
Levi-Ari, 2011[33] Single centre 55 (28/27) Outpatients physio department 71.7 (8.6) Sham acupuncture 16 NSAIDs 8 weeks 12 weeks
Saleki, 2013[34] Single centre 40 (20/20) Outpatients physio departments NR Usual care (physio sessions; hot packs) 12 NR 4 weeks NR
Haslam, 2001[32] Single centre 32 (16/16) Outpatients physio department 39-77 (range) Usual care (supervised demonstration of exercise; advice leaflet) 6 NR 6 weeks 14 weeks
Ashraf, 2013[29] Single centre 40 (20/20) Outpatients physio department 55.2 (7.15) Usual care (in-shoe wedge; follow up phone calls) 10 NR 3 weeks NR
Dickens, 1989[30] Single centre 12 (7/5) Outpatients physio department 48-77 (range) Mock TENS 6 NR 2 Weeks 4 Weeks
  1. Physio = physiotherapy; NR = not reported; SD = standard deviation; TENS = transcutaneous electrical nerve stimulation; NSAIDs = non-steroidal anti-inflammatory drugs.