Table 2 Admission characteristics of patients admitted to the SICU
Variables | Total (n = 2,686) | Death group (n = 638) | Survival group (n = 2,048) | χ2 value | P value |
|---|---|---|---|---|---|
Source of admission, n (%) | |||||
 Emergency room | 1,534 (57.11) | 393 (61.60) | 1,141 (55.71) | 42.368 | < 0.001 |
 Physician referral | 468 (17.42) | 61 (9.56) | 407 (19.87) | ||
 Transfer from hospital | 551 (20.51) | 159 (24.92) | 392 (19.14) | ||
 Others | 133 (4.95) | 25 (3.92) | 108 (5.27) | ||
Urgency cases, n (%) | |||||
 Emergency cases | 2,223 (82.76) | 556 (87.15) | 1,667 (81.40) | 11.277 | 0.001 |
 Elective cases | 463 (17.24) | 82 (12.85) | 381 (18.60) | ||
Type of surgery, n (%) | |||||
 General surgery | 500 (18.62) | 73 (11.44) | 427 (20.85) | 28.418 | < 0.001 |
 Neurosurgery | 427 (15.90) | 88 (13.79) | 339 (16.55) | 2.771 | 0.096 |
 Orthopedic surgery | 60 (2.23) | 14 (2.19) | 46 (2.25) | 0.006 | 0.938 |
 Transplant surgery | 230 (8.56) | 4 (0.63) | 226 (11.04) | 67.306 | < 0.001 |