Table 4.

One-sample Wilcoxon signed-rank test for laser acupuncture stimulating the acupoint/sham point.

Operation	Temperature change
	Fingertips		Laser-stimulating point
	ΔT (before and after)	P value	ΔT (before and after)	P value
Acupoint	1.82°C	<0.01∗∗	0.06°C	0.37
Sham point	0.25°C	0.67	0.05°C	0.77

^∗∗ P < 0.01.