Research Article

A Randomized Clinical Trial Comparing the Effectiveness of Electroacupuncture versus Medium-Frequency Electrotherapy for Discogenic Sciatica

Table 2

Changes from baseline in primary outcomes.

Leg pain NRSEA group 
()
MFE group
()
Differences valu
TimeMean (95% CI)Mean (95% CI)Mean (95% CI)

Week 10.57 0.23 0.34
Week 21.71 0.90 0.81
Week 31.99 1.02 0.97
Week 42.30 1.06 1.24 <0.001
Week 162.20 0.42 1.78 <0.001
Week 282.12 0.36 1.76 <0.001
Total time points of weeks 1–28<0.001§

NRS: numerical rating scale; MFE: medium-frequency electrotherapy; T-tests.
EA: electroacupuncture; CI: confidence interval; P value compared to baseline < 0.05.
& indicates value for the between-group comparison; a repeated measures analysis of variance.