Table 1.
Patient characteristics by participating center
| Center | |||||||||
| C1 | C2 | C3 | C4 | C5 | C6 | C7 | C8 | All | |
| Admissions with episode (% multiple episodes) | 261 (9.3) | 143 (5.6) | 97 (7.2) | 109 (13.2) | 104 (6.5) | 91 (5.5) | 97 (9.3) | 126 (9.9) | 1028 (8.5) |
| Patients (n) | 253 | 142 | 97 | 109 | 100 | 91 | 96 | 123 | 1011 |
| Episodes (n) | 298 | 156 | 111 | 139 | 113 | 104 | 107 | 145 | 1173 |
| Age (mean ± SD) | 55 ± 19 | 60 ± 20 | 57 ± 17 | 56 ± 19 | 59 ± 20 | 60 ± 16 | 60 ± 19 | 59 ± 20 | 58 ± 19 |
| Males (%) | 58.9 | 64.6 | 62.7 | 46.2 | 65.1 | 57.7 | 41.2 | 66.4 | 58.2 |
| On surgical service at onset (%) | 38.8 | 38.3 | 41.4 | 38.0 | 37.5 | 32.3 | 35.8 | 35.7 | 37.5 |
| Charlson score (mean ± SD) | 2.3 ± 2.6 | 2.5 ± 2.9 | 2.8 ± 2.6 | 2.8 ± 3.1 | 2.7 ± 2.8 | 2.9 ± 2.9 | 2.9 ± 3.1 | 2.3 ± 2.3 | 2.6 ± 2.8 |
| Self-pay or Medicaid (%) | 10.0 | 17.4 | 21.8 | 20.4 | 20.0 | 16.2 | 10.2 | 11.9 | 15.0 |
| In ICU at onset of sepsis (%) | 57.0 | 39.4 | 62.7 | 41.0 | 37.0 | 62.7 | 57.1 | 54.1 | 50.8 |
| Discharge DRG weight (mean ± SD) | 5.0 ± 6.1 | 3.9 ± 5.7 | 5.5 ± 5.6 | 4.9 ± 6.4 | 3.7 ± 4.6 | 4.4 ± 5.1 | 6.0 ± 8.2 | 5.4 ± 6.4 | 4.8 ± 6.1 |
| Primary discharge DRG (%) | |||||||||
| Surgery | 48.3 | 41.1 | 56.7 | 50.7 | 43.0 | 39.3 | 41.6 | 48.3 | 46.1 |
| Cancer | 7.0 | 5.5 | 5.8 | 1.4 | 0.8 | 3.5 | 9.1 | 7.4 | 5.4 |
| Transplant | 3.0 | 1.0 | 0.4 | 3.5 | 1.9 | 5.2 | 11.3 | 2.1 | 3.3 |
| AIDS | 5.9 | 0 | 3.4 | 14.2 | 7.7 | 6.0 | 0 | 4.9 | 5.2 |
| Infectious | 15.1 | 23.5 | 11.1 | 6.1 | 19.2 | 20.9 | 14.0 | 21.0 | 16.6 |
| Other | 20.7 | 28.9 | 22.6 | 24.1 | 27.5 | 25.1 | 24.0 | 16.3 | 23.4 |
| APACHE III chance of 28-day survival (mean ± SD) | 0.75 ± 0.24 | 0.73 ± 0.25 | 0.75 ± 0.20 | 0.72 ± 0.21 | 0.71 ± 0.24 | 0.69 ± 0.23 | 0.68 ± 0.28 | 0.63 ± 0.26 | 0.71 ± 0.24 |
| Organ dysfunction at onset (%) | |||||||||
| ARDS | 2.2 | 7.6 | 6.5 | 3.0 | 7.3 | 6.2 | 1.1 | 9.0 | 5.0 |
| Uncontrolled hemorrhage | 1.0 | 3.0 | 4.3 | 1.4 | 0.6 | 1.0 | 1.1 | 2.1 | 1.7 |
| Moderate or severe liver disease | 1.3 | 5.0 | 3.4 | 8.2 | 4.3 | 4.1 | 13.6 | 2.8 | 4.8 |
| Acute renal failure | 5.1 | 16.3 | 12.2 | 14.8 | 10.5 | 11.3 | 0 | 11.4 | 9.8 |
APACHE, Acute Physiology and Chronic Health Evaluation; ARDS, acute respiratory distress syndrome; C, center; DRG, diagnosis-related group; ICU, intensive care unit; SD, standard deviation.