Table 4 The hemodynamics at key time points in two groups
|  | C (n = 50) | DEX (n = 50) | t | P |
|---|---|---|---|---|
MAP (mmHg) | ||||
 basal | 96.1 ± 11.0 | 92.4 ± 12.1 | 1.589 | 0.115 |
 arrival in operating room | 101.7 ± 10.9 | 93.2 ± 13.5 | 3.436 | 0.001 |
 intubation | 97.1 ± 15.5 | 96.6 ± 17.3 | 0.176 | 0.860 |
 10 min after intubation | 86.3 ± 13.5 | 90.3 ± 14.8 | −1.431 | 0.156 |
 the lowest | 78.1 ± 10.9 | 82.6 ± 15.0 | −1.723 | 0.088 |
HR (bpm) | ||||
 basal | 78.3 ± 8.2 | 78.4 ± 7.2 | −0.065 | 0.948 |
 arrival in operating room | 76.0 ± 14.4 | 65.8 ± 11.5 | 3.945 | 0.000 |
 intubation | 82.5 ± 16.2 | 72.0 ± 13.9 | 3.481 | 0.001 |
 10 min after intubation | 76.0 ± 17.6 | 66.7 ± 11.6 | 3.132 | 0.002 |
 the lowest | 66.0 ± 12.4 | 59.7 ± 9.0 | 2.908 | 0.005 |