Table 2. Comparison of mouth opening.
Pre-therapy | Post therapy | Pre- vs Post-therapy comparison (Intragroup) t statistic (p-value) |
|
---|---|---|---|
Group A n = 21 (LLLT) | 3.85 (0.44) | 3.99 (0.40) | 1.07 (P > 0.05) |
Group B n = 21 (Ultrasound) | 3.61 (0.44) | 3.65 (0.41) | 0.30 (P > 0.05) |
A vs B (Intergroup comparison) t statistic (p-value) | 1.76 (P > 0.05) | 2.72 (P < 0.001)* |
*Statistically significant
LLLT, low-level laser therapy; VAS, visual analogue scale