Effects of Linear-Polarized Near-Infrared Light Irradiation on Chronic Pain

Table 2

The VAS scores pre- and immediately post-therapy in two groups.

	Pretherapy; (mean ± SE)	Posttherapy; (mean ± SE)
Group I	7.77±0.28	1.54±0.31^#
Group II	8.00±0.28^†	3.08±0.41^#

^†𝑃>0.05 as compared with Group I; ^#𝑃<0.005 as compared with pretherapy.
SE: standard error.