Table 1.

Preoperative Patient Factors Evaluated in Model with Cohort Values

Preoperative Patient Factors	n=232
Average (SD) age (years)	50.9 (19.4)
Men (n,%)	76 (32.8)
Average (SD) BMI (kg/m2)	30.3 (7.4)
Diabetes (n,%)	50 (21.6)
Hypertension (n,%)	92 (39.7)
Median (IQR) time to presentation (days)	4 (1, 60)
Mean (SD) admission temperature (°F)	97.8 (0.9)
Mean (SD) admission WBC (k/μL)	10.1 (5)
Median (IQR) admission total bilirubin (mg/dL)	0.8 (0.6, 1.2)
Biliary pancreatitis on admission (n, %)	15 (6.5)