Table 2 Association between selected preoperative variables and postoperative Mortality. Univariate analysis
No. of patients | 30-day postoperative mortality (%) | p value | |
|---|---|---|---|
Age < 0.0001* | |||
18–65 | 413 | 28 (6.8) | |
66–70 | 159 | 30 (18.9) | |
71–75 | 133 | 29 (21.8) | |
76–80 | 127 | 37 (29.1) | |
> 80 | 252 | 91 (36.1) | |
Sepsis score | < 0.0001** | ||
0–2 | 1004 | 170 (16.9) | |
3–4 | 80 | 45 (56.3) | |
ECOG score | < 0.001* | ||
0 | 522 | 36 (6.9) | |
1 | 313 | 69 (22.0) | |
2 | 148 | 58( 39.2) | |
3 | 84 | 41 (48.8) | |
4 | 17 | 11 (64.7) | |
ASA | < 0.0001* | ||
1 | 141 | 2 (1.4) | |
2 | 454 | 30 (6.6) | |
3 | 381 | 115( 30.2) | |
4–5 | 108 | 68 (63.0) | |
Cardiovascular morbidity | < 0.0001** | ||
Yes | 540 | 149 (27.6) | |
No | 544 | 66 (12.1) | |
Albumin(g/L) | < 0.0001** | ||
Low (< 36 g/L) | 506 | 148 (29.2) | |
Normal (36–48 g/L) | 385 | 45 (11.7) | |
High (> 48 g/L) | 79 | 1 (1.2) | |
Indication for surgery | < 0.0001** | ||
Obstruction | 494 | 68 (13.7) | |
Other | 550 | 136 (24.7) | |