Table 2 Vancouver Scar Scale and satisfaction outcomes among participants
|  | All participants | Placebo group | Low-dose group | High-dose group | F/χ2 | p value |
|---|---|---|---|---|---|---|
VSS | ||||||
 First month | 4.68 ± 1.49 | 5.17 ± 1.40 | 4.46 ± 1.53 | 4.46 ± 1.47 | 1.852 | 0.164 |
 Third month | 5.20 ± 1.74 | 5.48 ± 1.69 | 4.83 ± 1.63 | 5.40 ± 1.96 | 0.899 | 0.413 |
 Sixth month | 5.52 ± 2.70 | 6.43 ± 2.48 | 5.18 ± 2.79 | 4.71 ± 2.66 | 2.362 | 0.103 |
Satisfaction | ||||||
 Very good | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 3.279 | 0.214 |
 Good | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |  |  |
 Moderate | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |  |  |
 Slight | 42 (46.7) | 14 (46.7) | 11 (36.7) | 21 (70.0) |  |  |
 None | 48 (53.3) | 16 (53.3) | 19 (63.3) | 9 (30.0) |  |  |