Table 2.
Comparison of treatment details of 2 groups.
| Variables | DR group (n = 42) | Control group (n = 126) | t/χ2 | p |
| ASA | ||||
| Level II | 35 (83.33%) | 99 (78.57%) | 1.143 | .093 |
| Level III | 7 (16.67%) | 27 (21.43%) | ||
| NYHA | ||||
| Level I | 30 (71.43%) | 87 (69.05%) | 1.104 | .088 |
| Level II | 10 (23.81%) | 31 (24.60%) | ||
| Level III | 2 (4.76%) | 8 (66.35%) | ||
| TNM | ||||
| Level I | 12 (28.57%) | 39 (30.95%) | 1.028 | .156 |
| Level II | 16 (38.09%) | 51 (40.47%) | ||
| Level III | 14 (33.33%) | 36 (28.57%) | ||
| Duration of surgery, min | 238.07 ± 28.25 | 210.53 ± 32.11 | 32.063 | .031 |
| Duration of anesthesia, min | 245.18 ± 21.22 | 205.12 ± 23.93 | 31.034 | .018 |
| Intraoperative combined sevoflurane inhalation | 31 (73.81%) | 50 (39.68%) | 1.406 | .011 |