Table 1 Baseline characteristics of the study population (n = 457)
Variables | Total population | Survivors (n = 407) | Non-survivors (n = 50) | p value |
|---|---|---|---|---|
Age, years | 62.86 ± 16.22 | 62.11 ± 16.19 | 68.94 ± 15.27 | 0.005 |
Sex, n (%) male/female | 280 (61.3)/177 (38.7) | 253 (62.2)/154 (37.8) | 27 (54.0)/23 (46.0) | 0.264 |
Body weight, kg | 58.36 ± 11.58 | 58.38 ± 11.32 | 58.23 ± 13.69 | 0.931 |
BMI, kg/m2 | 21.90 ± 3.64 | 21.83 ± 3.54 | 22.47 ± 4.42 | 0.243 |
ASA score, n (%) | 0.007 | |||
1 | 131 (28.7) | 120 (29.5) | 11 (22.0) | |
2 | 124 (27.1) | 114 (28.0) | 10 (20.0) | |
3 | 153 (33.5) | 137 (33.7) | 16 (32.0) | |
4 | 45 (9.8) | 34 (8.4) | 11 (22.0) | |
5 | 4 (0.9) | 2 (0.5) | 2 (4.0) | |
APACHE II score | 21.23 ± 8.50 | 20.11 ± 7.86 | 28.26 ± 9.08 | < 0.001 |
Comorbidity, n (%) | ||||
Hypertension | 172 (37.6) | 145 (35.6) | 27 (54.0) | 0.011 |
Diabetes | 65 (14.2) | 59 (14.5) | 6 (12.0) | 0.633 |
CRF | 39 (8.5) | 36 (8.8) | 3 (6.0) | 0.787 |
Malignancy | 212 (46.4) | 183 (45.0) | 29 (58.0) | 0.081 |
Diagnosis, n (%) | 0.632 | |||
Perforation | 382 (83.6) | 338 (83.0) | 44 (88.0) | |
Strangulation | 58 (12.7) | 54 (13.3) | 4 (8.0) | |
Ischemia | 17 (3.7) | 15 (3.7) | 2 (4.0) | |
Site, n (%) | 0.789 | |||
Stomach | 111 (24.3) | 100 (24.6) | 11 (22.0) | |
Small bowel | 163 (35.7) | 143 (35.1) | 20 (40.0) | |
Colorectal | 183 (40.0) | 164 (40.3) | 19 (38.0) | |
Laparoscopy/open, n (%) | 71 (15.5)/386 (84.5) | 69 (17.0)/338 (83.0) | 2 (4.0)/48 (96.0) | 0.013 |