Table 2. Patient Characteristics by Surgeon Experience.
| Characteristic | Surgeon experience, No. (%) | P value | |||
|---|---|---|---|---|---|
| <6 y (n = 353) | 6-10 y (n = 272) | 11-30 y (n = 84) | >30 y (n = 53) | ||
| Surgeons, No. | 21 | 15 | 15 | 5 | NA |
| Age, mean (SD), y | 48.8 (19.7) | 47.8 (19.6) | 56.8 (20.5) | 47.6 (19.0) | .003 |
| Functional status | .20 | ||||
| Independent | 336 (95.2) | 265 (97.4) | 78 (92.8) | 42 (91.3) | |
| Partially dependent | 11 (3.1) | 7 (2.6) | 5 (5.6) | 3 (6.5) | |
| Totally dependent | 6 (1.7) | 0 | 1 (1.2) | 1 (2.2) | |
| Ventilator dependence | 44 (12.3) | 29 (10.3) | 13 (15.3) | 4 (8.7) | .55 |
| Ascites | 18 (5.0) | 11 (3.9) | 8 (9.4) | 0 | .08 |
| Acute kidney failure | 57 (15.9) | 23 (8.1) | 16 (18.8) | 9 (19.6) | .007 |
| Sepsis | <.001 | ||||
| SIRS | 98 (27.3) | 66 (23.4) | 7 (8.3) | 20 (43.5) | |
| Sepsis | 36 (10.0) | 34 (12.1) | 6 (7.1) | 1 (2.2) | |
| Septic shock | 39 (10.8) | 17 (6.0) | 13 (15.5) | 2 (4.4) | |
| Hemorrhagic shock | 68 (18.9) | 53 (18.8) | 14 (16.5) | 9 (19.6) | .96 |
| Case complexity | .55 | ||||
| Level 1 | 30 (8.4) | 18 (6.4) | 5 (5.9) | 5 (10.8) | |
| Level 2 | 143 (39.8) | 114 (40.4) | 31 (36.5) | 20 (43.5) | |
| Level 3 | 156 (43.5) | 133 (47.2) | 46 (54.1) | 17 (36.9) | |
| Level 4 | 30 (8.4) | 17 (6.0) | 3 (3.5) | 4 (8.7) | |
| Emergency surgery score, mean (SD) | 3.7 (2.5) | 3.4 (2.5) | 4.2 (3.1) | 3.5 (2.5) | .07 |
| EBL category, median (IQR)a | 2 (1-3) | 2 (2-4) | 2 (1-3) | 2 (2-5) | .16 |
| Body cavity closed | 248 (72.3) | 200 (72.2) | 59 (72.0) | 30 (76.9) | .94 |
| Ostomy created | 30 (10.9) | 33 (12.0) | 10 (12.2) | 0 | .11 |
Abbreviations: EBL, estimated blood loss; IQR, interquartile range; NA, not applicable; SIRS, systemic inflammatory response syndrome.
a
Estimated blood loss categories were as follows: 1, less than 200 mL; 2, 200 to 400 mL; 3, 401 to 800 mL; 4, 801 to 1200 mL; 5, 1.2 to 2 L; and 6, greater than 2 L.