Review Article

Acupuncture-Point Stimulation for Postoperative Pain Control: A Systematic Review and Meta-Analysis of Randomized Controlled Trials

Table 6

Sensitivity analysis results.

Presensitivity analysis
statistical method
HeterogeneitySensitivity analysisNumber of trials
(patient )
Postsensitivity analysis
statistical method
Heterogeneity

Effects of interventions, all body modalities versus standard treatment control (VAS)
Random, −1.08 (−1.54, −0.61)P < 0.00001; 
= 90%
Remove Kim et al. 2009 [23] and Sertel et al. 2009 [56]12 (755)Random, −0.74 (−1.05, −0.43)P < 0.00001; 
= 76%

Effects of invasive body electroacupuncture versus all controls (VAS)
Random, −0.67 (−1.11, −0.24)P < 0.00001; 
= 83%
Remove Gilbertson et al. 2003 [41]9 (505)Random, −0.47 (−0.79, −0.15)P = 0.002; 
= 68%

Effects of body electroacupuncture versus standard treatment (VAS)
Random, −0.68 (−1.04, −0.32)P < 0.00001; 
= 78%
Remove Deng et al. 2010 [35] and Chen et al. 2012 [32]8 (461)Fixed, −0.38 (−0.57, −0.20)P = 0.33; 
= 13%

Effects of body electroacupuncture versus sham/placebo control (VAS)
Random, −0.67 (−1.13, −0.22)P < 0.00001; 
= 80%
Remove Gilbertson et al. 2003 [41]8 (377)Fixed, −0.42 (−0.62, −0.21)P = 0.08; 
= 44%

Effects of body acupressure versus standard treatment (VAS)
Random, −1.44 (−2.56, −0.33)P < 0.00001; 
= 92%
Remove Adib-Hajbaghery and Etri 2013 [51]2 (144)Fixed, −1.93 (−2.33, −1.53)P = 0.75; 
= 0%

Overall effects of auricular interventions, all modalities versus sham/placebo control (VAS)
Random, −0.56 (−1.05, −0.07)P < 0.00001; 
= 87%
Remove Zhang 2013 [62] and Sator-Katzenschlager et al. 2006 [69]7 (409)Random, −0.23 (−0.54, 0.09)P = 0.04; 
= 55%

Effects of auricular manual acupuncture versus sham/placebo control (VAS)
Random, −0.16 (−0.62, 0.30)P = 0.04; 
= 64%
Remove Usichenko et al. 2007 [68]3 (132)Fixed, −0.34 (−0.69, 0.00)P = 0.25; 
= 27%

Overall effects of integrative interventions versus all controls (VAS and NRS)
Random, −0.61 (−1.14, −0.07)P < 0.0001; 
= 84%
Remove Tavares et al. 2007 [77]5 (420)Fixed, −0.29 (−0.49, −0.09)P = 0.12; 
= 46%