Serum cortisol levels before and after surgery and comparison of both groups
| Variables | Group I (n=35) | Group II (n=35) | P value |
| Mean serum cortisol (µg/dL) | |||
| Baseline | 9.32±4.60 | 7.96±4.77 | 0.227 |
| Postoperative | 20.74±9.14 | 16.05±6.76 | 0.017 |
| Difference at postoperative | 11.42±7.83 | 8.09±4.53 | 0.034 |