Table 1.
Patient and operative characteristics in the total study population.
| Surgical episodes, n=53 395 | Deaths, n (%) | |
|---|---|---|
| Age (yr) | ||
| <65 | 36 210 | 97 (0.27) |
| 65–79 | 11 745 | 153 (1.30) |
| ≥80 | 5440 | 308 (5.66) |
| Sex | ||
| Male | 31 664 | 332 (1.05) |
| Female | 21 731 | 226 (1.04) |
| ASA physical status | ||
| 1 | 11 020 | 3 (0.03) |
| 2 | 24 196 | 25 (0.10) |
| 3 | 15 719 | 239 (1.52) |
| 4 | 2413 | 270 (11.19) |
| 5 | 47 | 21 (44.68) |
| Surgical severity | ||
| Minor/intermediate/major | 46 917 | 397 (0.85) |
| Xmajor/complex | 6478 | 161 (2.49) |
| Surgical urgency | ||
| Elective | 19 846 | 68 (0.34) |
| Expedited | 23 820 | 300 (1.26) |
| Urgent | 8993 | 156 (1.73) |
| Immediate | 736 | 34 (4.62) |
| Surgical type | ||
| Other | 12 396 | 33 (0.27) |
| Musculoskeletal | 23 905 | 317 (1.33) |
| Urological | 5086 | 32 (0.63) |
| Digestive | 10 166 | 137 (1.35) |
| Vascular | 1842 | 39 (2.12) |
| Cancer in past 5 yr | ||
| No | 44 986 | 451 (1.00) |
| Yes | 8409 | 107 (1.27) |