Table 1.
Patient demographics of the overall study population.
| All (n = 5030) |
BSI (n = 1478) |
Non-BSI (n = 3552) |
p-Value | |
|---|---|---|---|---|
| Basic characteristics | ||||
| Age, years | 66.36 ± 15.83 | 67.50 ± 14.74 | 65.89 ± 16.23 | <0.001 |
| Sex (male) | 3354 (65.15%) | 1040 (70.37%) | 2314 (66.68%) | <0.001 |
| Charlson comorbidity index | 2.23 ± 1.43 | 2.35 ± 1.41 | 2.19 ± 1.43 | <0.001 |
| APACHE II score | 25.73 ± 6.13 | 26.47 ± 6.11 | 25.42 ± 6.12 | <0.001 |
| Divisions | <0.001 | |||
| MICU | 2024 (40.24%) | 615 (41.61%) | 1409 (39.67%) | |
| SICU | 1292 (25.69%) | 489 (33.09%) | 803 (22.61%) | |
| CCU | 727 (14.45%) | 252 (17.05%) | 475 (13.37%) | |
| CV | 404 (8.03%) | 115 (7.78%) | 289 (8.14%) | |
| CVS | 323 (6.42%) | 137 (9.27%) | 186 (5.24%) | |
| NICU | 987 (19.62%) | 122 (8.25%) | 865 (24.35%) | |
| NEURO | 166 (3.30%) | 25 (1.69%) | 141 (3.97%) | |
| NS | 821 (16.32%) | 97 (6.56%) | 724 (20.38%) | |
| The etiology for ICU admission | <0.001 | |||
| Scheduled surgery | 241 (5.09%) | 49 (3.49%) | 192 (5.76%) | |
| Emergency surgery | 113 (2.39%) | 31 (2.20%) | 82 (2.46%) | |
| NS surgery, scheduled | 50 (1.06%) | 4 (0.28%) | 46 (1.38%) | |
| NS surgery, emergency | 318 (6.71%) | 22 (1.56%) | 296 (8.89%) | |
| Acute respiratory failure | 1130 (23.85%) | 325 (23.12%) | 805 (24.17%) | |
| Pneumonia | 327 (6.90%) | 92 (6.54%) | 235 (7.05%) | |
| Sepsis, non-pneumonia | 308 (6.50%) | 125 (8.89%) | 183 (5.49%) | |
| Acute cardiac conditions | 544 (11.48%) | 164 (11.66%) | 380 (11.41%) | |
| Acute neurological conditions | 170 (3.59%) | 29 (2.06%) | 141 (4.23%) | |
| Pulmonary embolism | 0 (0%) | 0 (0%) | 0 (0%) | |
| Acute renal conditions | 58 (1.22%) | 14 (1.00%) | 44 (1.32%) | |
| Acute GI condition | 688 (14.52%) | 276 (19.63%) | 412 (12.37%) | |
| Post-PCI | 22 (0.46%) | 6 (0.43%) | 16 (0.48%) | |
| OHCA/INCA | 39 (0.82%) | 12 (0.85%) | 27 (0.81%) | |
| Others | 729 (15.39%) | 257 (18.28%) | 472 (14.17%) | |
| Outcomes | ||||
| ICU stay, days | 25.65 ± 20.05 | 34.10 ± 25.39 | 22.13 ± 16.09 | <0.001 |
| Hospital stay, days | 49.12 ± 40.57 | 58.37 ± 39.95 | 45.27 ± 40.21 | <0.001 |