Table 1 Patients and surgery characteristics
|  | Group A (n = 41) | Group B (n = 44) | Group C (n = 42) | P value |
|---|---|---|---|---|
Age (yr) | 49 (21–65) | 48 (27–65) | 53 (23–64) | 0.677 |
Weight (kg) | 62 ± 11 | 62 ± 11 | 63 ± 11 | 0.894 |
Height (cm) | 162 ± 8 | 163 ± 8 | 163 ± 9 | 0.728 |
Gender (M/F) | 14/27 | 19/25 | 13/29 | 0.471 |
Preoperative dexamethasone | 17 (41) | 15 (34) | 11 (26) | 0.339 |
Operation time (min) | 249 ± 87 | 288 ± 117 | 254 ± 110 | 0.179 |
Anesthesia time (min) | 321 ± 90 | 368 ± 131 | 327 ± 114 | 0.110 |
 Type of surgery |  |  |  | 0.322 |
 Tumor surgery | 26 (63) | 26 (59) | 20 (48) |  |
Vascular surgery | 15 (37) | 18 (41) | 22 (52) | Â |
ASA class I/II | 24 (59)/17 (41) | 22 (50)/22 (50) | 22 (52)/20 (48) | 0.720 |
Preexisting disease, (n) | Â | Â | Â | Â |
  Hypertension | 11 | 13 | 13 | 0.916 |
  Diabetes mellitus | 4 | 5 | 7 | 0.609 |
  Liver disease | 3 | 2 | 0 | 0.223 |