Table 6. Interobserver reliability of the Vancouver scar scale (VSS) and the observer component of the patient and observer scar assessment scale (POSAS).

	Single measure ICC (95% CI)	Average measure ICC (95% CI)
VSS
Vascularity	0.48 (0.23~0.70)	0.73 (0.47~0.88)
Pigmentation	0.11 (−0.11~0.40)	0.27 (−0.44~0.67)
Pliability	0.42 (0.17~0.67)	0.69 (0.38~0.86)
Height	0.20 (−0.04~0.48)	0.43 (−0.13~0.74)
Total	0.51 (0.26~0.73)	0.76 (0.52~0.89)
Observer component of the POSAS
Vascularity	0.25 (0.00~0.53)	0.50 (0.00~0.77)
Pigmentation	0.30 (0.04~0.57)	0.56 (0.13~0.80)
Thickness	0.44 (0.19~0.68)	0.70 (0.41~0.86)
Relief	0.35 (0.09~0.61)	0.62 (0.24~0.82)
Pliability	0.48 (0.23~0.71)	0.74 (0.47~0.88)
Surface area	0.39 (0.14~0.65)	0.66 (0.33~0.84)
Total	0.57 (0.34~0.77)	0.80 (0.60~0.91)

CI: confidence interval, single measure ICC: intraclass correlation coeficient for a single observer, average measure ICC: intraclass correlation coefficient for the group of three observer.