Variables | Intervention group | Control group | ||||||
---|---|---|---|---|---|---|---|---|
 | Pre-surgery night | First night post surgery | Second night post surgery | P -value | Pre-surgery night | First night post surgery | Second night post surgery | P -value |
6-SMT, ug | 23.3 ± 24.3a | 6.1 ± 9.9a | 8.3 ± 12.6a | 0.01 | 33.9 ± 99.9a | 5.6 ± 12.7a | 7.1 ± 9.8a | 0.00 |
Cortisol, ug | 10.3 ± 8.3b | 95.9 ± 71.2b | 82.5 ± 47.3b | 0.00 | 13.8 ± 8.8b | 82.9 ± 56.9b | 74.9 ± 56.3b | 0.00 |