Table 2

Cox regression analysis for the risk of acute pancreatitis

Univariate analysisMultivariate analysis*
VariableHR (95% CI)p ValueHR (95% CI)p Value
Primary Sjogren’s syndrome1.71 (1.20 to 2.43)0.0031.48 (1.03 to 2.12)0.034
Sex (male)1.78 (1.21 to 2.63)0.0041.42 (0.96 to 2.12)0.083
Age groups, years  (reference: age≤50)
51–651.93 (1.20 to 3.12)0.0071.61 (0.99 to 2.12)0.055
 >654.01 (2.54 to 6.31)<0.0012.90 (1.81 to 4.67)<0.001
Baseline comorbidity
 Diabetes mellitus3.30 (2.30 to 4.73)<0.0012.39 (1.65 to 3.46)<0.001
 Gallstone7.78 (4.56 to 13.27)<0.0015.49 (3.19 to 9.46)<0.001
 Hepatitis B2.27 (0.93 to 5.53)0.0721.84 (0.74 to 4.54)0.189
 Hepatitis C3.39 (1.59 to 7.25)0.0022.06 (0.95 to 4.51)0.069
 Hyperlipidaemia1.83 (1.22 to 2.75)0.004
 Hypertriglyceridaemia1.34 (0.19 to 9.56)0.085
No of comorbidities
 01
 12.51 (1.72 to 3.68)
≥24.97 (3.24 to 7.65)
  • *All variables, except number of comorbidities, were selected using stepwise Cox regression analysis with entry and retention criteria at p0.2 in multivariate analysis.