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Demographic Distribution among Study Groups.
| Variable | Sham Group (n=20) | PBM 650 nm (n=20) | PBM 810 nm (n=20) | p-value |
|---|---|---|---|---|
| Mean Age (years) | 39.5 ± 6.1 | 38.8 ± 5.7 | 40.2 ± 5.9 | 0.73 |
| Male/Female ratio | 10/10 | 10/10 | 10/10 | 1.00 |
Values are presented as mean ± standard deviation. Group comparisons were analyzed using one-way ANOVA. Significance set at p < 0.05.
