Table 1 Intra group comparison of the mean scores of pulse rate and oxygen saturation level in a group at different stages using paired t test (intragroup comparison).
From: Effect of Low-level LASER Therapy on P6 Acupoint to Control Gag Reflex in Children: A Clinical Trial
Group | Comparison of mean scores of pulse rate and oxygen saturation | Mean difference ± SD | p |
|---|---|---|---|
A | P1 – P2 | 18.700 ± 12.274 | 0.001 |
B | P1 – P2 | −6.600 ± 8.185 | 0.002 |
A | OS1 – OS2 | −2.350 ± 1.309 | 0.011 |
B | OS1 – OS2 | 0.950 ± 1.504 | 0.001 |