Sensitivity, specificity, and accuracy of preoperative ultrasound guided fine needle aspiration (FNA), and PCT, IL-8, and C-reactive protein (CRP) concentrations in predicting infection in necrotising pancreatitis, (24 patients, 14 with infected necrosis, four with sterile necrosis)
| Sensitivity | Specificity | Accuracy | |
| Guided FNA | 90% | 79% | 84% |
| PCT ⩾1.8 ng/ml | 80% | 93% | 87% |
| IL-8 ⩾112 pg/ml | 20% | 100% | 68% |
| CRP ⩾300 mg/l | 80% | 71% | 83% |