Needle-Free Electroacupuncture for Postoperative Pain Management

Table 5

Pain perceived by subjects over a 24-hour period using the visual analogue scale (in rank 0–10).

Gr.	Time after operation (hours)
	Zero	Half	One	One-half	Two	Three	Four	Eight	Sixteen	Twenty-four
1	8.04±2.65	7.27±2.34	6.77±2.29	5.81±2.19	5.58±2.13	6.00±1.57	5.65±1.56	4.81±1.38	4.46±1.38	3.50±1.27
2	7.92±2.26	7.29±2.19	5.83±1.98	4.63±1.69	3.83±1.39	4.38±1.61	4.17±1.70	3.54±1.54	3.04±1.20	2.54±0.86
3	8.59±1.71	6.95±2.65	6.45±2.78	6.05±3.03	5.48±3.02	4.73±2.30	4.14±2.11	3.86±1.71	3.55±1.67	2.68±1.63
4	7.07±3.44	5.07±3.62	3.93±2.98	3.57±2.96	3.14±2.30	3.00±2.27^∧	2.71±1.83^∧	2.57±1.41^∧	2.00±1.75^∧	1.21±1.31^∧

^∧𝑃<.05.