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. Author manuscript; available in PMC: 2014 Apr 30.
Published in final edited form as: Cochrane Database Syst Rev. 2010 Sep 8;(9):CD007575. doi: 10.1002/14651858.CD007575.pub2

Comparison 1. P6 Acupressure versus placebo.

Outcome or subgroup title No. of studies No. of participants Statistical method Effect size
1 No improvement in intensity of symptoms (while using wristbands) reported 1 97 Risk Ratio (M-H, Fixed, 95% CI) 0.78 [0.44, 1.39]
2 Mean nausea score after day 3 using VAS 1 40 Mean Difference (IV, Fixed, 95% CI) 0.10 [−1.49, 1.69]
3 Mean nausea score days 1-3 (average) 1 60 Mean Difference (IV, Fixed, 95% CI) 0.39 [−0.80, 1.58]
4 Mean emesis scores days 1-3 (average) 1 60 Mean Difference (IV, Fixed, 95% CI) 0.26 [−1.06, 1.58]
5 Mean total scores (Rhodes Index) days 1-3 (average) 1 60 Mean Difference (IV, Fixed, 95% CI) 1.17 [−1.52, 3.86]