Table 4.
Risk factors for post-endoscopic retrograde cholangiopancreatography (ERCP) pancreatitis in cases with pancreatobiliary diagnostic examination (n= 167 procedures)
| Factor | Frequency of post-ERCP pancreatitis (n) | Odds ratio | P-valuea | |
|---|---|---|---|---|
| First-time biliary drainage | (+) | 15.2% (7/46) | 2.2 | 0.13 |
| (−) | 7.4% (9/121) | |||
| Target region | Biliary duct | 10.0% (8/80) | – | 0.83 |
| Pancreatic duct | 10.1% (7/69) | |||
| Both | 5.6% (1/18) | |||
| Number of modalities per case | 1 | 8.2% (4/49) | – | 0.88 |
| 2 | 8.9% (5/56) | |||
| 3 | 9.8% (4/41) | |||
| 4 | 14.3% (3/21) | |||
| Modality | Biopsy | 10.1% (11/109) | – | 0.90 |
| Brush cytology | 9.0% (10/111) | |||
| IDUS | 11.9% (12/101) | |||
| POCS or POPS | 12.0% (3/25) | |||
a
Chi-square test, Fisher's test
ERCP, endoscopic retrograde cholangiopancreatography; IDUS, intraductal ultrasound; POCS, peroral cholangioscopy; POPS, peroral pancreatoscopy