Table 1: Mean difference in pain intensity.

Table 1: Mean difference in pain intensity.

Pain Intensity	Mean	Standard deviation	Paired-samples T test
			df	t	p
Starting pain intensity	5.025	1.857	134	12.301	< 0.001^*
Ending pain intensity	4.130	1.816

df: Degrees of freedom for each estimate of variance; t: Size of the difference relative to the variation; p: Significance level.