Table 3.
Mortality in patients operated within 48 hours of intraoperative death compared with matched controls
|
Mortality
|
||||
|---|---|---|---|---|
| Case group | No (%) of cases | No (%) of controls | Odds ratio (95% CI) | P value |
| Primary analysis | ||||
| Within 48 hours of: | ||||
| All intraoperative deaths | 18/233 (7.7) | 73/932 (7.9) | 1.06 (0.60 to 1.90) | 0.83 |
| Intraoperative death during elective surgery
|
5/85 (5.9)
|
29/340 (8.5)
|
0.69 (0.24 to 1.95)
|
0.29
|
| Intraoperative death during emergency surgery
|
13/148 (8.8)
|
43/592 (7.3)
|
1.34 (0.66 to 2.70)
|
|
| Subgroup analyses | ||||
| Within 24 hours of all intraoperative deaths | 8/132 (6.1) | 52/528 (9.8) | 0.56 (0.24 to 1.29) | 0.17 |
| Within 12 hours of all intraoperative deaths | 5/60 (8.3) | 22/240 (9.2) | 1.03 (0.36 to 2.99) | 0.95 |
| Cardiac surgery only, within 48 hours of: | ||||
| All intraoperative deaths | 14/183 (7.7) | 59/732 (8.1) | 1.02 (0.53 to 1.95) | 0.95 |
| Intraoperative death during low risk surgery (EuroSCORE <6)
|
3/55 (5.5)
|
19/220 (8.6)
|
0.67 (0.18 to 2.39)
|
0.41
|
| Intraoperative death during high risk surgery (EuroSCORE ≥6) | 11/128 (8.6) | 40/512 (7.8) | 1.22 (0.57 to 2.60) | |