Table 2. Univariate comparison of patients with and without PEP.
| Variables | PEP | P value | |
|---|---|---|---|
| Yes (n = 16) | No (n = 500) | ||
| Mean age | 51.1 ± 20.9 | 63.8 ± 33.9 | 0.137 |
| Female sex | 10 (62.5) | 215 (43.0) | 0.132 |
| Nondilated EHD | 6 (50.0) | 97 (19.4) | 0.007 |
| Therapeutic purpose | 12 (75.0) | 362 (72.4) | 0.819 |
| Precut sphincterotomy | 5 (31.3) | 47 (9.4) | 0.016 |
| Pancreatogram performance | 6 (37.5) | 62 (12.4) | 0.012 |
| EP(L)BD | 1 (6.3) | 72 (14.4) | 0.712 |
| Pancreatic sphincterotomy | 3 (18.8) | 7 (1.4) | 0.003 |
| ERPD | 3 (18.8) | 48 (9.6) | 0.204 |
| EML | 0 (0.0) | 33 (6.6) | 0.614 |
| Failure to clear bile duct stones | 2 (12.5) | 46 (9.2) | 0.653 |
| 4-hour amylase level, U/L | 965.75 ± 775.13 | 158.49 ± 273.13 | 0.001 |
| 4-hour lipase level, U/L | 2,018.94 ± 2,038.27 | 222.74 ± 826.53 | 0.003 |
Values are presented as number (%). Continuous variables are expressed as the mean ± standard deviation.
ERCP = endoscopic retrograde cholangiopancreatography, PEP = post-ERCP pancreatitis, EHD = extrahepatic bile duct, EP(L)BD = endoscopic papillary (large) balloon dilation, ERPD = endoscopic retrograde pancreatic drainage, EML = endoscopic mechanical lithotripsy.