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Patients’ characteristics with different PEC Risk factors
| I | II | III | |||||
|---|---|---|---|---|---|---|---|
| Line | S1 | S2 | α1 | α2 | |||
| Chronic cholecystitis (N) | 83 | 32 | 2 | 16 | 17 | 3 | 17 |
| Gallbladder opacification (N) | 24 | 17 | 1 | 5 | 4 | 0 | 11 |
| High leukocyte count before ERCP (N) | 13 | 3 | 2 | 2 | 3 | 3 | 2 |
| History of acute pancreatitis (N) | 3 | 1 | 0 | 1 | 0 | 0 | 1 |
