Table 2 The clinical features corresponding to the three groups
| Â | Resistant | Intermediate | Sensitive | P value* |
|---|---|---|---|---|
No. of Patients | 531 | 2236 | 1266 | / |
Sex: female, N (%) | 239 (45.0) | 1131 (50.6) | 761 (60.1) | < 0.0001 |
Anesthesia type % | ||||
 General | 421 (79.3) | 1806 (80.9) | 1068 (84.3) |  |
 Spinal | 21 (3.9) | 99 (4.4) | 43 (3.4) | 0.0354 |
 Others | 89 (16.8) | 331 (14.7) | 155 (12.3) |  |
Age at surgery (years) | 62.4 ± 13.9 | 59.5 ± 14.7 | 67.4 ± 12.5 | < 0.0001 |
Body weight (kg) | 94.7 ± 27.6 | 88.6 ± 23.0 | 85.4 ± 22.1 | < 0.0001 |
Avg. infusion rate (mcg/min) | 76.2 ± 22.4 | 32.1 ± 11.8 | 32.4 ± 12.3 | < 0.0001 |
Mean SBP (mmHg) | 108.0 ± 11.0 | 105.4 ± 8.7 | 123.9 ± 10.9 | < 0.0001 |
SD of SBP | 15.0 ± 6.4 | 10.0 ± 3.7 | 19.9 ± 7.3 | < 0.0001 |