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Boxplot. The boxplots of change ratios between different groups for each outcome measurement. The median, 25th and 75th percentiles, and the significance of the post-hoc analysis in outcome measurement is shown for each of the four groups. Abbreviations used: AcuT: acupoint therapy group; AcuC: acupoint control group; TriT: trigger point therapy group; TriC: trigger point control group. ∗ p < 0.05; ∗∗ p < 0.01.
