Table 2.
Perioperative parameters
|
Restricted group (n = 30) |
Standard group (n = 32) |
P-value | |
| Insertion level of epidural catheter | |||
| -Mid-thoracic (T 6–9) | 22 (73%) | 25 (78%) | 0.77 |
| -Low-thoracic (T 10–12) | 3 (10%) | 3 (9%) | 1.0 |
| -Lumbar | 5 (17%) | 4 (13%) | 0.73 |
| Time of epidural analgesia (days) | 3.3 (1.5) | 3.7 (1.5) | 0.41 |
| Duration of surgical procedure (hrs) | 4.3 (2.1) | 4.2 (1.7) | 0.83 |
| Blood loss during procedure (ml) | 450 (435 to 1089) | 500 (424 to 1688) | 0.65 |
| Urine production during procedure (ml) | 315 (249 to 531) | 290 (248 to 529) | 0.86 |
| IV crystalloids (Ringer's Lactate) | |||
| 1st hr (ml.kg-1 bodyweight) | 20 (6.3) | 19 (5.5) | 0.45 |
| 2nd etc. hrs (ml.kg-1 bodyweight) | 8.3 (4.1) | 9.0 (3.7) | 0.52 |
| IV colloids (HAES-Steril® 6%) (l) | 0.9 (0.5) | 1.1 (0.9) | 0.13 |
| Patients requiring PRC | 21% | 11% | 0.35 |
PRC = Packed Red Cells. Two patients in the restricted group and one in the standard group required 2 PRC units or more.
Values are expressed as means (± SD) or numbers (%). For blood loss and urine production, medians with 95% Confidence Intervals are given.