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. 2021 Jul 28;9:tkab016. doi: 10.1093/burnst/tkab016

Table 2.

Improvement of UNC4P and VSS scores of hypertrophic scar patients after AFCL and AFCL+PRP treatments

	AFCL				AFCL+PRP
	Pre-treatment	First month	Third month	Sixth month	Pre-treatment	First month	Third month	Sixth month
UNC4P	7.68 ± 1.17	6.84 ± 1.27^a	5.95 ± 0.55^a	4.63 ± 1.09^a	8.26 ± 1.22	6.52 ± 1.16^b	4.68 ± 1.28^b^,^c	2.61 ± 1.29^b^,^c
Pliability	1.89 ± 0.31	1.89 ± 0.31	1.89 ± 0.31	1.68 ± 0.46^a	2.00 ± 0.25	2.00 ± 0.25	1.90 ± 0.30	1.19 ± 0.40^b^,^c
Pruritus	2.00 ± 0.46	1.58 ± 0.59^a	1.05 ± 0.51^a	0.74 ± 0.44^a	2.13 ± 0.55	1.23 ± 0.49^b^,^c	0.55 ± 0.56^b^,^c	0.16 ± 0.37^b^,^c
Pain	1.95 ± 0.60	1.53 ± 0.60^a	1.21 ± 0.41^a	1.00 ± 0.32^a	2.06 ± 0.62	1.45 ± 0.50	0.90 ± 0.47^b^,^c	0.45 ± 0.50^b^,^c
Paraesthesia	1.84 ± 0.49	1.84 ± 0.49	1.74 ± 0.55	1.21 ± 0.61^a	2.06 ± 0.44	1.84 ± 0.51	1.32 ± 0.47^b^,^c	0.80 ± 0.59^b^,^c
VSS	10.89 ± 1.65	10.68 ± 1.66	9.89 ± 1.62^a	8.16 ± 1.93^a	11.74 ± 1.61	10.39 ± 1.31	8.45 ± 1.04^b^,^c	6.06 ± 1.44^b^,^c
Pigmentation	2.89 ± 0.45	3.00 ± 0	3.00 ± 0	2.68 ± 0.73	3.00 ± 0	3.00 ± 0	2.87 ± 0.49	2.16 ± 0.99^b
Vascularity	3.21 ± 0.77	2.89 ± 0.97	2.37 ± 0.98^a	1.79 ± 0.69^a	3.61 ± 0.94	2.58 ± 0.84^b	1.77 ± 0.61^b^,^c	1.06 ± 0.35^b^,^c
Height	2.00 ± 0.32	2.10 ± 0.45	2.16 ± 0.49	2.11 ± 0.55	2.19 ± 0.47	2.23 ± 0.49	1.87 ± 0.49^b	1.68 ± 0.47^b^,^c
Pliability	2.79 ± 0.61	2.68 ± 0.65	2.37 ± 0.48^a	1.58 ± 0.59^a	2.94 ± 0.50	2.58 ± 0.55^b	1.94 ± 0.35^b^,^c	1.16 ± 0.37^b^,^c

UNC4P University of North Carolina 4P Scar Scale, VSS Vancouver Scar Scale, AFCL ablative fractional CO₂ laser, PRP platelet-rich plasma

^a p < 0.05 compared with pre-treatment value in AFCL group

^b p < 0.05 compared with pre-treatment value in AFCL+PRP group

^c p < 0.05 compared with the value of the AFCL group at the same time point