From: Early results of low-level laser application for masticatory muscle pain: a double-blind randomized clinical study
LGI
LGII
PG
p
Mean ± SD
Age
30,80 ± 9,81
29,33 ± 8,59
31,94 ± 12,20
a 0.531
Gender
Male
3
b 0.373
Female
7
Pain duration (months)
10.5 ± 1.7
9.8 ± 1.1
10.2 ± 1.9
a 0.289