Table 1.
Patient characteristics stratified by postoperative mortality in VitalDB.
| Postoperative Mortality | p Value | ||
|---|---|---|---|
| No (n = 5538) |
Yes (n = 402) |
||
| Mean age, year | 58.0 ± 14.1 | 64.1 ± 13.4 | <0.001 |
| Gender, no. (%) | <0.001 | ||
| Female | 2808 (50.7%) | 139 (34.6%) | |
| Male | 2730 (49.3%) | 263 (65.4%) | |
| Mean body mass index, kg/m2 | 23.5 ± 3.5 | 21.8 ± 3.7 | <0.001 |
| ASA physical status classification | <0.001 | ||
| 1 | 1622 (29.3%) | 33 (8.2%) | |
| 2 | 3364 (60.7%) | 230 (57.2%) | |
| 3 | 434 (7.8%) | 118 (29.4%) | |
| 4 | 15 (0.3%) | 12 (3.0%) | |
| N/A | 103 (1.9%) | 9 (2.2%) | |
| Type of Surgery, no. (%) | <0.001 | ||
| Elective | 4977 (89.9%) | 300 (74.6%) | |
| Emergency | 561 (10.1%) | 102 (25.4%) | |
| Department | |||
| General surgery | 4189 (75.6%) | 320 (79.6%) | |
| Gynecology | 223 (4.0%) | 5 (1.2%) | |
| Thoracic surgery | 1011 (18.3%) | 76 (18.9%) | |
| Urology | 115 (2.1%) | 1 (0.2%) | |
| Type of Anesthesia, no. (%) | |||
| General | 5220 (94.3%) | 379 (94.3%) | |
| Sedation/Analgesia | 52 (0.9%) | 19 (4.7%) | |
| Spinal | 266 (4.8%) | 4 (1.0%) | |
| Duration of operation, min. | 126.1 ± 93.2 | 145.5 ± 106.8 | <0.001 |
| Duration of anesthesia, min. | 166.0 ± 101.4 | 187.0 ± 114.0 | <0.001 |
| Intraoperative monitoring | |||
| Minimal heart rate, beats per min. | 46.7 ± 18.7 | 49.1 ± 24.5 | 0.142 |
| Minimal mean BP, mmHg | 64.7 ± 13.4 | 63.4 ± 14.6 | 0.137 |
| Estimated blood loss, mL | 279.6 ± 674.9 | 686.3 ± 2160.7 | 0.004 |
| SASA score | 16.0 ± 2.3 | 14.1 ± 2.6 | <0.001 |
ASA, the American Society of Anesthesiologists.