Table 2.
Comparison of intraoperative conditions between the two groups
| Groups | Control group (n=49) | Observation group (n=49) | t | P |
|---|---|---|---|---|
| Operation time (min) | 260.55±23.10 | 254.87±22.19 | 1.241 | 0.218 |
| Urine volume (mL) | 259.4±40.13 | 253.8±39.60 | 0.447 | 0.488 |
| MAP (mmHg)/CVP (cmH2O) | 83.8±10.6/5.4±1.4 | 84.1±9.9/5.3±1.8 | 0.145/0.307 | 0.885/0.760 |
| Amount of bleeding (mL) | 230.54±72.18 | 241.50±78.29 | 0.720 | 0.473 |
| Total liquid volume (mL) | ||||
| Crystal | 1879.35±219.07 | 1172.48±235.71 | 15.377 | 0.000 |
| Gel | 987.93±308.91 | 583.61±358.42 | 5.981 | 0.000 |
Note: MAP: mean arterial pressure; CVP: central venous pressure.