Table 3. Changes in the number of wrinkles after RF, EA or LLLT and a comparison of wrinkle improvements between groups.
| Wrinkles | Intervention | Pre | Post | |
|---|---|---|---|---|
| Under eyes | aRight | RF* | 11.2 ± 2.8 | 8.3 ± 3.6 |
| EA* | 14.7 ± 9.5 | 10.7 ± 7.3 | ||
| LLLT* | 14.4 ± 6.2 | 11.3 ± 4.4 | ||
| bLeft | RF* | 12.9 ± 4.5 | 8.0 ± 3.3 | |
| EA* | 16.5 ± 8.9 | 13.0 ± 7.3 | ||
| LLLT* | 12.7 ± 5.8 | 10.1 ± 4.6 | ||
| Eye rims | aRight | RF* | 8.1 ± 4.1 | 6.0 ± 3.1 |
| EA* | 12.3 ± 8.1 | 9.8 ± 5.9 | ||
| LLLT* | 7.6 ± 3.7 | 6.6 ± 2.9 | ||
| bLeft | RF | 7.9 ± 5.2 | 6.8 ± 4.3 | |
| EA | 13.0 ± 8.2 | 11.2 ± 6.7 | ||
| LLLT | 7.7 ± 4.0 | 6.6 ± 3.8 | ||
Values are shown as the mean ± standard deviation, *Significant difference between the pre- and post-tests within each group, p<0.05. aPaired Samples T-test; bWilcoxon Rank-Sum test; RF: radiofrequency; EA: electroacupuncture; LLLT: low-level laser therapy