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Table 2 Comparison of mean scores of pulse rate and oxygen saturation using Student t test for two independent groups.

From: Effect of Low-level LASER Therapy on P6 Acupoint to Control Gag Reflex in Children: A Clinical Trial

Variables

Comparison between groups

Mean difference ± SD

p

P1

A and B

11.950 ± 2.445

0.001

P2

A and B

−13.350 ± 2.614

0.001

OS1

A and B

−0.900 ± 0.411

0.637

OS2

A and B

2.400 ± 0 .437

0.001

  1. OS1 = oxygen saturation during first impression; OS2 = oxygen saturation during second impression; P1 = pulse rate during first impression; P2 = pulse rate during second impression; SD = standard deviation.