Comparison of the safety and efficacy of three superficial skin closure methods for multi-layer wound closure in total knee arthroplasty: a multicenter, prospective, randomized controlled trial

Table 4 Comparisons of VSS, HWES and POSAS among the three groups

Outcomes	Group 1 (2-octyl)	Group 2 (n-butyl-2)	Group 3 (non-adhesive)	P-value
2W
OSAS	13.06 ± 5.08	13.66 ± 2.49	14.15 ± 3.64	0.371
PSAS	19.06 ± 8.75	23.29 ± 12.55	20.06 ± 9.52	0.426
HWES	1.34 ± 1.41	1.57 ± 1.24	1.42 ± 1.50	0.663
6W
VSS	5.50 ± 2.66	7.00 ± 2.40	7.42 ± 3.00	0.013^a
OSAS	15.50 ± 3.50	17.43 ± 4.18	17.03 ± 4.50	0.030^a
PSAS	19.06 ± 7.88	21.91 ± 8.66	23.15 ± 9.62	0.290
HWES	1.28 ± 0.96	1.91 ± 1.62	1.72 ± 1.61	0.415
3 M
VSS	5.09 ± 2.58	5.57 ± 2.82	5.55 ± 2.59	0.677
OSAS	12.78 ± 3.42	17.40 ± 6.58	16.79 ± 5.86	0.010^a
PSAS	17.87 ± 8.07	20.80 ± 9.57	21.44 ± 10.47	0.411

VSS Vancouver Scar Scale, POSAS Patient and Observer Scar Assessment Scale, PSAS Patient Scar Assessment Scale, OSAS Observer Scar Assessment Scale, HWES Hollander Wound Evaluating Score
^aIndicates statistical significance

ISSN: 2524-7948