Evidence-Based Complementary and Alternative Medicine / 2015 / Article / Tab 2

Research Article

Efficacy and Safety of Acupuncture for Acute Low Back Pain in Emergency Department: A Pilot Cohort Study

Table 2

Comparison between groups of VAS before, after, and 3 days after intervention.

  Control ()Acupuncture () valueb
 Median valueaMedian valuea

VAS-15.5 4 7 7.0 5 8 0.059
VAS-24.5 4 6 0.109 4.0 2 5 <0.0010.161
VAS-33.0 0 4 0.0113.0 1 6 <0.0010.465

valuea by Wilcoxon Signed Ranks Test (take VAS1 as reference) (intergroup).
valueb by Mann-Whitney test (between groups).
: Percentile 25.
: Percentile 75.
VAS-1, VAS before intervention; VAS-2, VAS after intervention; VAS-3, VAS of 3 days after intervention.
Statistically significant difference ().