Table 2.
Intraoperative outcomes
| Overall (N = 41) |
Group A < 2000 g (N = 7) |
Group B > 2000 g (N = 34) |
P value | |
|---|---|---|---|---|
|
Operation time (min, mean ± SD) |
153 ± 70 | 140 ± 53 | 156 ± 75 | 0.52 |
| Conversion to open surgery (%) | 1 (2) | 0 (0) | 1 (3) | 1.00 |
| Intraoperative events and factors | ||||
| Difficult intubation (%) | 3 (7) | 2 (29) | 1 (3) | 0.07 |
| Difficult ventilation (%) | 5 (12) | 1 (14) | 4 (12) | 0.62 |
| Hypoxic event %) | 19 (46) | 4 (57) | 15 (44) | 0.41 |
| Hypothermia (%) | 11 (27) | 4 (57) | 7 (21) | 0.07 |
| Maximum EtCO2 (mmHg, mean ± SD) | 45.98 ± 10.8 | 42.1 ± 8.7 | 46.7 ± 11.1 | 0.31 |
| Pulse pressure variation (mean) | 17.2 ± 6.9 | 12.5 ± 10.6 | 18.6 ± 5.99 | 0.30 |
| Chloride (mmol/L, mean ± SD) | 111.6 ± 5.4 | 108.9 ± 6.6 | 112.2 ± 5.0 | 0.14 |
|
Perioperative body weight change (g, mean ± SD) |
163 ± 128.6 | 121 ± 130.6 | 172.4 ± 128.4 | 0.34 |
| RBC transfusion (%) | 2 (5) | 1 (14) | 1 (3) | 0.23 |
| Intraoperative vasoconstrictor use (%) | 16 (39) | 2 (29) | 14 (41) | 0.66 |
RBC red blood cell, SD standard deviation