|
| TENS group | Placebo group | P-value | |
| Weight (kg) | 12.90 ± 8.15 | 13.02 ± 8.25 | 0.948 | |
| Age (month) | 25.60 ± 5.48 | 27.13 ± 5.27 | 0.207 | |
| Smooking | Yes | 31 (77.5%) | 27 (67.5%) | 0.405 |
| No | 9 (22.5%) | 13 (32.5%) | ||