Table 1 Basic characteristics
Alive after 30 days | Dead within 30 days | P-value | |
|---|---|---|---|
N (%) | 2950 | 740 | – |
Age (years)* | 75.2 (67.7; 82.2) | 81.7 (75.1; 86.9) | < 0.0001 |
Females, N (%) / males N (%)** | 1806 (61) / 1144 (39) | 463 (63) / 277 (37) | 0.5 |
Time from blood test to surgery (hours)* | 20.5 (7.3; 27.2) | 8.8 (4.2; 19.0) | < 0.0001 |
Acute surgery, N (%) / eletive surgery, N (%)** | 1792 (61) / 1158 (39) | 675 (91) / 65 (9) | < 0.0001 |
P-Sodium (mmol/L)* | 138 (135; 140) | 137 (133; 140) | < 0.0001 |
P-Potassium (mmol/L)* | 3.9 (3.5; 4.2) | 3.8 (3.4; 4.3) | 0.8 |
P-Creatinine (micromol/L)* | 81 (67; 100) | 102 (79; 152) | < 0.0001 |
Surgical category, N (%)** | |||
I. Gastroduodenal | 226 (8) | 136 (18) | |
II. Biliary | 199 (7) | 15 (2) | |
III. Small bowel | 216 (7) | 75 (10) | |
IV. Appendix | 162 (6) | 16 (2) | < 0.0001 |
V. Colon | 1156 (39) | 270 (37) | |
VI. Rectum | 447 (15) | 49 (7) | |
VII. Herniotomy, adhesiolysis, splenectomy, and diagnostic purposes | 544 (18) | 179 (24) | |