TABLE 4.

Comparison of the Impact of Various Adjuvant Treatments on Overall Survival of Patients Who Undergo Resection of Pancreatic Cancer Tumor

A
	Chemo	Chemo-RT	RT-chemo	RT	None
Chemo	NA	1.09 (1.04–1.15)	0.79 (0.69–0.91)	0.78 (0.64–0.93)	0.76 (0.72–0.79)
Chemo-RT	0.92 (0.87–0.96)	NA	0.73 (0.63–0.83)	0.71 (0.58–0.86)	0.69 (0.66–0.73)
RT-Chemo	1.27 (1.1–1.45)	1.37 (1.2–1.59)	NA	0.98 (0.78–1.23)	0.95 (0.83–1.1)
RT	1.29 (1.07–1.56)	1.41 (1.16–1.71)	1.02 (0.81–1.29)	NA	0.97 (0.81–1.18)
None	1.32 (1.27–1.39)	1.45 (1.37–1.52)	1.05 (0.91–1.2)	1.03 (0.85–1.23)	NA
B
	Chemo	Chemo-RT	RT-chemo	RT	None
Chemo	NA	1.18 (1.12–1.24)	0.83 (0.72–0.97)	0.77 (0.63–0.94)	0.64 (0.61–0.67)
Chemo-RT	0.85 (0.81–0.89)	NA	0.71 (0.61–0.82)	0.65 (0.53–0.81)	0.54 (0.51–0.57)
RT-Chemo	1.2 (1.03–1.39)	1.41 (1.22–1.64)	NA	0.93 (0.72–1.19)	0.76 (0.66–0.88)
RT	1.3 (1.06–1.59)	1.53 (1.24–1.88)	1.08 (0.84–1.39)	NA	0.82 (0.67–1.01)
None	1.56 (1.49–1.64)	1.85 (1.75–1.96)	1.31 (1.13–1.52)	1.22 (0.99–1.49)	NA
C
	Chemo	Chemo-RT	RT-chemo	XRT	None
Chemo	NA	1.01 (0.86–1.18)	0.75 (0.48–1.17)	0.64 (0.35–1.16)	0.87 (0.76–0.98)
Chemo-RT	0.99 (0.85–1.16)	NA	0.74 (0.47–1.17)	0.63 (0.35–1.16)	0.86 (0.74–0.99)
RT-Chemo	1.34 (0.85–2.09)	1.35 (0.86–2.13)	NA	0.85 (0.41–1.78)	1.16 (0.74–1.81)
RT	1.56 (0.86–2.84)	1.58 (0.86–2.88)	1.17 (0.56–2.44)	NA	1.35 (0.74–2.45)
None	1.16 (1.02–1.31)	1.17 (1.01–1.35)	0.87 (0.55–1.35)	0.74 (0.41–1.34)	NA

A: Whole cohort; B: Patients with margin and/or node-positive and/or lymphovascular invasion; C: Patients with negative margin and node and no lymphovascular invasion.