Months of Treatment | Control | Melatonin |
2 | 0.1141 ± 0.0288 | 0.1398 ± 0.0329 |
4 | 0.1156 ± 0.0205 | 0.1862 ± 0.0358 |
6 | 0.1227 ± 0.0295 | 0.2191 ± 0.0531 |
8 | 0.1043 ± 0.0351 | 0.2183 ± 0.0371* |