Table 6.

Multivariable Cox regression analysis results; OR = odds ratio, ITBL = ischemic type biliary lesions, CI = confidence interval.

Characteristic	OR (CI)	p-Value
Age	1.0 (0.97–1.07)	0.43
Sex	4.88 (0.86–27.69)	0.07
Prednisolone	0.97 (0.28–3.30)	0.96
ITBL	1.46 (0.55–3.84)	0.45
Cholangioscopy	3.15 (0.94–10.54)	0.06
Dilatation	0.45 (0.09–2.28)	0.36
Delayed application of prophylactic anti-infective therapy > 1 h after the ERCP	1.35 (0.47–3.9)	0.58
Infection after the first ERCP	5.23 (1.92–14.26)	0.001