Table 2.

Patient Satisfaction Pre- and Postsessions between and within the Studied Groups

Characteristic		Picosecond Laser Group (n = 15)	Fractional CO2 Laser Group (n = 15)	Test t/z	P
		Mean ± SD	Mean ± SD
Pain score median (IQR)	Before	1 (1–3)	1 (1–1)	–0.962	0.336
	After	1 (1–1)	1 (1–1)	–0.948	0.343
Wilcoxon signed ranks test	Test	–2.041	–1.414
	P	0.041*	0.157
Itching score median (IQR)	Before	2 (3–4)	3 (4–5)	–1.444	0.149
	After	1 (1–2)	1 (1–2)	–0.925	0.355
Wilcoxon signed ranks test	Test	–3.130	–3.331
	P	0.002*	0.001*
Color score	Before	7.67 ± 1.76	7.73 ± 1.83	–0.102	0.920
	After	2.87 ± 1.06	6 ± 1.2	–7.596	<0.001*
Paired samples test	Test	10.439	5.773
	P	<0.001*	<0.001*
Pliability score	Before	6.27 ± 1.87	7.47 ± 2.36	–1.545	0.134
	After	4 ± 1.41	4.2 ± 1.97	–0.319	0.752
Paired samples test	Test	7.549	7.789
	P	<0.001*	<0.001*
Thickness score	Before	6.67 ± 1.63	6.53 ± 2.61	0.167	0.868
	After	4.8 ± 1.21	4 ± 1.85	1.402	0.172
Paired samples test	Test	4.525	6.971
	P	<0.001*	<0.001*
Texture score	Before	5.8 ± 2.11	7.13 ± 2.36	–1.632	0.114
	After	4.93 ± 1.58	4.13 ± 1.92	1.245	0.223
Paired samples test	Test	3.166	7.685
	P	<0.001*	<0.001*
Overall opinion score, median (IQR)	Before	7 (6–8)	8 (7–9)	–1.086	0.277
	After	5 (3–6)	3 (2–5)	–1.621	0.105
	% of change	28.57 (25–50)	50 (42.9–66.7)	–2.373	0.018*
Wilcoxon signed ranks test	Test	–3.453	–3.428
	P	0.001*	0.001*

(z), Mann-Whitney U test; (t), independent samples test.

*P > 0.05 is considered significant.