Skip to main content
. Author manuscript; available in PMC: 2018 May 1.
Published in final edited form as: Pain. 2017 May;158(5):784–793. doi: 10.1097/j.pain.0000000000000747

Table 3.

Effect size in SD for trials with follow-up longer than 6 months

Acupuncture and no acupuncture control arms
Trial Arm Week 40 Week 42 Week 49 Week 92
Foster 2007[10] No acupuncture - - 0.60
Foster 2007[10] Acupuncture - - 0.55
Thomas 2006[30] No acupuncture 1.09 - - 1.17
Thomas 2006[30] Acupuncture 1.30 - - 1.46
Cherkin 2001[6] No acupuncture - 0.91 -
Cherkin 2001[6] Acupuncture - 0.85 -
Vickers 2004[37] No acupuncture 0.42 - -
Vickers 2004[37] Acupuncture 0.80 - -
Acupuncture and sham acupuncture arms
Trial Arm Week 23 Week 25/26 Week 44 Week 49
Carlsson 2001[5] Sham −0.30
Carlsson 2001[5] Acupuncture 0.91
Foster 2007[10] Sham 0.61 - - 0.68
Foster 2007[10] Acupuncture 0.56 - - 0.57
Vas 2006[34] Sham - 1.03 - -
Vas 2006[34] Acupuncture - 1.59 - -
Vas 2008[33] Sham 0.33 - - 0.52
Vas 2008[33] Acupuncture 1.02 - - 1.22
Witt 2005[40] Sham - 0.72 -
Witt 2005[40] Acupuncture - 0.78 -
Brinkhaus 2006[4] Sham - 0.69 -
Brinkhaus 2006[4] Acupuncture - 0.76 -