Table 4.
Measure of skin tone in the experimental group and the control group
| Groups | Skin tone | Forehead | Right cheek ① |
Right cheek ② |
Left cheek ① |
Left cheek ② |
Average |
|---|---|---|---|---|---|---|---|
| 0 weeks | 101.0 ± 15.81 | 91.4 ± 28.16 | 97.0 ± 10.65 | 112.6 ± 25.74 | 123.0 ± 31.36 | 105 ± 12.72 | |
| Experimental group | 2 weeks | 107.0 ± 22.55 | 80.4 ± 28.80 | 77.2 ± 17.27 | 109.8 ± 24.01 | 108.8 ± 21.49 | 96.64 ± 16.36 |
| 4 weeks | 103.80 ± 7.79 | 76.40 ± 20.70 | 85.80 ± 12.07 | 105.00 ± 47.92 | 112.80 ± 15.99 | ±96.76 ± 15.08 | |
| Variation | +2.8 | −15 | −11.2 | −7.6 | −10.2 | −8.24 ± 6.72 | |
| 0 weeks | 95.2 ± 22.86 | 71.2 ± 19.64 | 65 ± 14.61 | 99.6 ± 25.72 | 85.8 ± 27.31 | 83.36 ± 14.96 | |
| Control group | 2 weeks | 118.6 ± 77.98 | 61.2 ± 10.87 | 66.4 ± 24.52 | 86 ± 7.31 | 86.2 ± 31.89 | 83.68 ± 22.56 |
| 4 weeks | 107.2 ± 32.77 | 71.8 ± 13.79 | 70.4 ± 8.71* | 93.4 ± 22.02 | 84.6 ± 20.26 | 85.48 ± 15.41 | |
| Variation | +12 | +0.6 | +5.4 | −6.2 | −1.2 | 2.12 ± 6.91 |