Table 2.

Independent sample t test for satisfaction questionnaire, with likelihood of returning for additional repeat treatments.

	Group (mean ± SD)		t	p
	Ⅰ (n = 50)	Ⅱ (n = 50)
3 months after	2.98 ± 0.59	4.58 ± 0.61	−13.356	0.000
6 months after	2.48 ± 0.76	4.32 ± 0.74	−12.241	0.000
9 months after	2.28 ± 0.61	4.28 ± 0.76	−14.571	0.000
Likelihood to return after 9 months	32%	88%	‐	‐