Full-Thickness Skin Graft according to Surrounding Relaxed Skin Tension Line Improves Scar Quality in Facial Defect Coverage: A Retrospective Comparative Study

Table 5

Observer scar assessment scale comparison according to RSTL.

	RSTL matched (SD)	RSTL unmatched (SD)	Total (SD)	Mann–Whitney	value
Vascularity	1.40 (0.48)	1.95 (1.29)	1.71 (1.04)	65	0.464
Pigmentation	1.62 (0.61)	2.71 (2.25)	2.25 (1.22)	78.5	0.082
Thickness	1.58 (0.70)	2.03 (0.84)	1.84 (0.80)	74.5	0.148
Relief	1.56 (0.43)	2.12 (0.75)	1.88 (0.68)	78	0.095
Pliability	1.56 (0.41)	2.48 (0.68)	2.01 (0.74)	94.5	0.002
Surface area	1.58 (0.65)	2.97 (1.07)	2.37 (1.14)	95.5	0.002
Overall	1.69 (0.70)	2.85 (1.00)	2.35 (1.05)	94	0.003
Total	10.98 (2.98)	17.12 (5.48)	14.49 (5.46)	95	0.002

Mann–Whitney test.