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Circadian rhythm parameters of CORT and melatonin levels in plasma, as determined by cosinor analyses
| Index | Group | CORT | Melatonin |
|---|---|---|---|
| Mesor | CON | 18.62 ± 0.26 | 4.37 ± 0.12 |
| CORT | 36.10 ± 1.45** | 4.53 ± 0.10 | |
| Amplitude | CON | 3.13 ± 0.37 | 0.87 ± 0.17 |
| CORT | ND | ND | |
| Acrophase, h | CON | 23.18 ± 0.46 | 18.97 ± 0.68 |
| CORT | ND | ND |
Values are means ± SEM. **P < 0.01, compared with CON group. ND represents not determined as there was no circadian rhythm
