Table 4.

Adjusted Odds Ratios Associated with Postoperative Mortality among Patients with Pancreatic Tumors who Received Pancreatectomy as First Course of Treatment by Travel Distance, National Cancer Database 2004 to 2013 (N = 38,591)

Variable	Model 1				Model 2
	30-d mortality		Long-term survival		30-d mortality		Long-term survival
	OR (95% CI)	p Value	HR (95% CI)	p Value	OR (95% CI)	p Value	HR (95% CI)	p Value
All pancreatectomy patients (n = 36,707)
Travel distance (reference, 1st quartile)
2nd quartile	0.85 (0.73–0.98)	0.024	0.97 (0.93–1.01)	0.088	0.89 (0.77–1.03)	0.12	0.98 (0.95–1.02)	0.34
3rd quartile	0.76 (0.65–0.89)	0.0006	0.98 (0.94–1.02)	0.36	0.86 (0.73–1.01)	0.069	1.01 (0.97–1.06)	0.51
4th quartile	0.62 (0.51–0.75)	<0.0001	0.94 (0.89–0.98)	0.0048	0.82 (0.67–1.00)	0.047	1.00 (0.95–1.05)	0.97
Location of diagnosis, elsewhere (reference, reporting facility or staff physician office)	0.87 (0.75–1.01)	0.063	1.07 (1.03–1.10)	0.0002	0.89 (0.77–1.04)	0.14	1.07 (1.04–1.11)	<0.0001
Days from diagnosis to operation, >30 d (reference, 0 to 30 d)	0.81 (0.71–0.94)	0.0038	0.86 (0.83–0.89)	<0.0001	0.82 (0.71–0.94)	0.0054	0.86 (0.83–0.89)	<0.0001
Procedure volume of reporting facility (reference, high)
Low	—	—	—	—	2.15 (1.80–2.56)	<0.0001	1.20 (1.15–1.25)	<0.0001
Medium	—	—	—	—	1.43 (1.22–1.68)	<0.0001	1.07 (1.04–1.11)	<0.0001
Rural pancreatectomy patients (n = 1,794)
Travel distance (reference, 0 to 10 miles)
2nd quartile	0.85 (0.21–3.50)	0.82	0.83 (0.46–1.49)	0.54	0.88 (0.22–3.64)	0.87	0.85 (0.47–1.52)	0.58
3rd quartile	0.59 (0.22–1.61)	0.30	1.18 (0.80–1.73)	0.40	0.59 (0.22–1.62)	0.31	1.19 (0.81–1.75)	0.34
4th quartile	0.23 (0.09–0.59)	0.0023	0.88 (0.61–1.27)	0.50	0.28 (0.11–0.73)	0.0093	0.96 (0.61–1.36)	0.81
Location of diagnosis (reference, reporting facility or staff physician office), elsewhere	1.51 (0.84–2.72)	0.17	1.03 (0.89–1.20)	0.68	1.44 (0.80–2.59)	0.23	1.03 (0.89–1.19)	0.70
Days from diagnosis to operation, >30 d (reference, 0 to 30 d)	0.67 (0.36–1.28)	0.23	0.78 (0.67–0.91)	0.0014	0.69 (0.36–1.31)	0.26	0.78 (0.67–0.90)	0.0010
Procedure volume of reporting facility (reference, high)
Low	—	—	—	—	1.56 (0.65–3.77)	0.32	1.36 (1.12–1.65)	0.0023
Medium	—	—	—	—	0.63 (0.27–1.50)	0.3	1.07 (0.91–1.25)	0.40

HR, hazard ratio; OR, odds ratio.