Table 2.

Variables independently associated with patients proceeding with surgery after chemoradiation

Variable	Odds ratio (95% confidence interval)	P value
Increasing age (per decade)	0.34 (0.30-0.38)	<.001
Female sex (vs male sex)	0.89 (0.67-1.18)	.4
Race (vs White)
Black	1.06 (0.42-2.66)	.9
Other	0.77 (0.36-1.61)	.5
Insured (vs uninsured)	2.83 (1.49-5.37)	.001
Charlson Comorbidity Index (vs 0)
1	1.04 (0.82-1.30)	.8
2+	0.95 (0.68-1.32)	.8
Education above median (vs below median)	1.04 (0.83-1.31)	.72
Income above median (vs below median)	1.32 (1.05-1.66)	.017
Mid-esophageal tumor location (vs distal)	0.83 (0.55-1.26)	.4
Clinical T stage (vs T1)
T2	1.37 (0.74-2.53)	.3
T3	1.70 (0.96-3.01)	.07
Clinical N-positive disease (vs cN0)	1.18 (0.96-1.46)	.112
Distance from treatment facility (per 50 miles)	1.42 (1.22-1.65)	<.001
Treatment facility type (vs community)
Integrated network program	1.54 (1.19-2.00)	.001
Research/academic program	1.77 (1.42-2.2)	<.001