Table 3. Intragroup and intergroup comparisons of pain at the test and control sites at baseline and day 7.

Variables	Site	Duration	Mean±SD	Mean difference	P value
Intragroup (pain)	Test	Baseline	2.90±1.16	2.50	0.000a)
		Day 7	0.40±0.60
	Control	Baseline	3.80±1.50	3.30	0.000a)
		Day 7	0.50±0.51
Intergroup (pain)	Test	Baseline	2.90±1.16	−0.90	0.041a)
	Control		3.80±1.15
	Test	Day 7	0.40±0.60	−0.10	0.574
	Control		0.50±0.51

SD: standard deviation.

^a)P<0.05, statistically significant.