| Severity of illness scores (mean±SD) |
| Ranson (0–1 1) |
5.2±2.0 |
| Glasgow (0–6) |
4.1±1.6 |
| APACHE II (0–67) |
|
| Admission |
8.9±5.6 |
| Preoperative |
8.3±5.4 |
| Discharge |
2.9±2.6 |
| Balthazar CT (0–10) |
7.4±1.9 |
| Number of necrosectomies |
3 (range 1–7) |
| Time from admission to initial operation |
21 days (range 1–91 days) |
| Number of antibiotics used |
7 (range 2–14) |
| Duration of antibiotic administration |
45 days (range 8–83 days) |
| Duration of TPN administration |
26 days (range 0–69) |
| Length of stay (hospital, mean±SD) |
67 days (±39) |
| Length of stay (ICU, mean±SD) |
36 days (±25) |
