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Table 10 Symptom scale score and changes in the three study arms \( \left(\overline{x}{x}\pm SD\right) \)

From: A pilot randomized controlled trial of acupuncture at the Si Guan Xue for cancer pain

Time Arm 1 (n = 14) Control arm (n = 14) Arm 2 (n = 14) P-value
Baseline 4.46 ± 1.59 5.45 ± 1.88 5.21 ± 1.86 0.32
Day 7 3.36 ± 2.39 3.93 ± 1.90 4.17 ± 1.92 0.57
Follow up 3.72 ± 2.02 3.91 ± 1.78 4.27 ± 2.10 0.28
Main effect of time (P-value)* <0.05  
  1. *There was no interaction between the changing trends of Symptom scale scores and the three groups’ intervention factors over time