Table 4.
Comparison between the three studied groups regarding quantitative grading before and 6 months after treatment and the improvement of quantitative grading 6 months after treatment
| Quantitative grading | Group 1 (Filler side) | Group 2 (Fractional laser side) | Group 3 (Subcision) | Test value | p value | |
|---|---|---|---|---|---|---|
| No. = 20 | No. = 20 | No. = 20 | ||||
| Before | Mean ± SD | 17.65 ± 5.49 | 18.7 ± 5.2 | 16.8 ± 4.56 | 1.846 ≠ | 0.397 |
| Median (IQR) | 17 (14–20.5) | 18 (15–21) | 16 (14–19) | |||
| Range | 10–34 | 12–34 | 12–30 | |||
| 6 months after | Mean ± SD | 6.55 ± 3.12 | 5.75 ± 2.24 | 9 ± 2.53 | 16.980 ≠ | 0.000 |
| Median (IQR) | 6 (5–7.5) | 5 (4–6) | 8 (8–10) | |||
| Range | 3–17 | 3–11 | 5–16 | |||
|
Quantitative grading Reduction After 6 months |
Mean ± SD | 62.29 ± 13.62 | 68.58 ± 10.04 | 44.29 ± 16.45 | 17.115• | 0.000 |
| Range | 32–85 | 50–88 | 15.79–75 | |||
| Minimal | 1 (5.0%) | 0 (0.0%) | 6 (30.0%) | 18.857* | 0.004 | |
| Moderate | 8 (40.0%) | 5 (25.0%) | 11 (55.0%) | |||
| Good | 8 (40.0%) | 11 (55.0%) | 2 (10.0%) | |||
| Very good | 3 (15.0%) | 4 (20.0%) | 1 (5.0%) | |||
| Wilcoxon rank test | Test value | − 3.927 | − 3.927 | − 3.925 | ||
| p value | < 0.001 | < 0.001 | < 0.001 | |||
| Post hoc analysis | ||||||
| Group 1 vs group 2 | Group 1 vs group 3 | Group 2 vs group 3 | ||||
| 6 months after | 0.314 | 0.001 | < 0.001 | |||
| % of reduction after 6 m | 0.150 | < 0.001 | < 0.001 | |||
p value > 0.05: non-significant; p value < 0.05: significant; p value < 0.01: highly significant
*Chi-square test; •one-way ANOVA test; ≠Kruskal–Wallis test