Serology and further investigations throughout admission
| Day 1 | Day 2 | Day 3 | Day 4 | |
| Serology | ||||
| White cell count (3.8–10.6×109/L) | 7.5 | 14.6 | 15.7 | 13.6 |
| Neutrophils (1.8–8.0×109/L) | 5.3 | 12.3 | 12.8 | 5.3 |
| C reactive protein (<5 mg/L) | 1 | 20 | 103 | 98 |
| Bilirubin (0–21 μmol/L) | 8 | 12 | ||
| Further investigations | ||||
| Urine dipstick | Negative | |||
| Ultrasound | Small volume of free fluid, normal gallbladder, pancreas and appendix not visualised | |||