Table 2.

Comparison of Actual Events to Predicted Risk

Entire Cohort (n=854)
	Actual Events	Predicted Risk (%)
Outcome	n (%)	Median Risk
Surgical Site Infection	185 (21.7)	9.6 (1.9-36.6)
Mortality	18 (2.1)	0.5 (0-19.4)
Reoperation	57 (6.7)	3.3 (0.9-13.2)
Readmission	168 (19.7)	9.1 (2.6-32.2)
Length of stay (Days)	Median: 8 (0-119)	6.5 (2.5-25.5)
Liver Surgery (n=475)
	Actual Events	Predicted Risk (%)
Outcome	n (%)	Median Risk
Surgical Site Infection	105 (22.1)	7.4 (2.8 - 23.9)
Mortality	12 (2.5)	0.6 (0 - 19.4)
Reoperation	34 (7.2)	2.5 (0.9 - 9.3)
Readmission	97 (20.4)	9.4 (3.9 - 32.2)
Length of stay (days)	Median: 7 (0 - 91)	6 (3.5 - 23.0)
Pancreas Surgery (n=237)
	Actual Events	Predicted Risk (%)
Outcome	n (%)	Median Risk
Surgical Site Infection	62 (26.2)	15.7 (8.1 - 36.6)
Mortality	4 (1.7)	0.5 (0.1 - 13.6)
Reoperation	17 (7.2)	4.6 (2.2 - 9.9)
Readmission	42 (17.7)	12.6 (7.2 - 30.8)
Length of stay (days)	10 (0 - 119)	9 (6 - 24)