Table 2.

Perioperative outcome

Operating time
Mean (SD)	280 mins (49 mins)
Median (range)	270 mins (181–480 mins)
Blood transfusions
Patients transfused in first 72 hours	35 (23%)
Patients transfused beyond 72 hours	24 (16%)
Patients not transfused	110 (71%)
Mean units transfused per patient (range)	1.59 (0–24)
Postoperative controlled ventilation
Mean (SD)	11.6 hrs (21.6 hrs)
Median (range)	11 hrs (2–240 hrs)
Overnight intensive recovery
Mean (SD)	27.3 hrs (15.9 hrs)
Median (range)	22 hrs (5–94 hrs)
Step-down facility from overnight intensive recovery	19 (12%)
Ward High dependency unit	90 (58%)
Intensive care unit	22 (14%)
Unknown	25 (16%)
Mean primary stay in critical care
Mean (SD)	8.9 days (15.4 days)
Median (range)	4 days (1–90 days)
Patients readmitted to critical care	14 (9%)
Total length of hospital stay
Median (range)	14 days (6–210 days)

SD = standard deviation