Table 4.

Short-term outcomes after pancreaticoduodenectomy based on the results of the risk scoring system

No. of risk factors	Mortality	P-value	Major complication	P-value	Infectious complication	P-value	OR	95% CI	P-value
R0/1 group (n = 91)	0 (0)	0.20	11 (12.1)	0.17	26 (28.6)	<0.001	-	-	-
R2 group (n = 89)	2 (2.2)		15 (16.9)		44 (49.4)		2.44	1.33–4.57	0.004
R3/4 group (n = 39)	1 (2.6)		10 (25.6)		33 (84.6)		13.8	5.47–40.0	<0.001

Data are presented as numbers (percentages).

OR odds ratio, CI confidence interval