Table 2. Change in QDSA score in two groups

Change in QDSA score	100-Hz electroacupuncture Mean ± SD	2-Hz electroacupuncture Mean ± SD	p
Day 1 – Day 7	17 ± 4	14 ± 3	<0.001
Day 7 – Day 14	18 ± 4	13 ± 2	<0.001
Day 1 – Day 14	35 ± 4	27 ± 4	<0.001

Abbreviations: QDSA, Questionnaire Douleur Saint Antoine