Is Sham Laser a Valid Control for Acupuncture Trials?

Table 2

Overall occurrence (in %) and intensity (mean  ±  SD) of sensations, distribution to specific acupuncture points (n).

	Laser acupuncture	Sham laser acupuncture
Occurrence	46.1	49.0
Intensity	2.3  ±  2.3	2.5  ±  2.4
Distribution
LI4	14	11
LU7	18	24
LR3	15	15