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

Table 1

Demographics of enrolled subjects in the two groups.

	Group I; (block + LPNIR)	Group II (block only)
Gender:
Male	7 (26.9%)	9 (34.6%)
Female	19 (73.1%)	17 (65.4%)
Age (mean ± SD)	53.69±13.01	45.73±13.49
Type of chronic pain:
Shoulder periarthritis	10 (38.5%)	8 (30.8%)
Myofascial pain syndrome	13 (50.0%)	12 (46.2%)
Lateral epicondylitis	3 (11.5%)	6 (23.1%)
Total cases	26	26

SD: standard deviation.