Table 2. Odds ratios of undergoing a select treatment by multinomial logistic regression models.
| Variable | Treatment group | |||||||
|---|---|---|---|---|---|---|---|---|
| CRT | LE | Eso | ||||||
| OR (95% CI) | P value | OR (95% CI) | P value | OR (95% CI) | P value | |||
| Age group, years | ||||||||
| ≤50 | 1 | 1 | 1 | |||||
| 51–60 | 1.56 (0.93–2.61) | 0.09 | 0.83 (0.54–1.3) | 0.415 | 0.69 (0.48–1.0) | 0.05 | ||
| 61–70 | 1.56 (0.94–2.59) | 0.089 | 0.79 (0.51–1.22) | 0.285 | 0.54 (0.38–0.78) | <0.001 | ||
| 71–80 | 1.81 (1.08–3.05) | 0.026 | 0.79 (0.51–1.24) | 0.312 | 0.34 (0.23–0.5) | <0.001 | ||
| >80 | 0.77 (0.45–1.32) | 0.335 | 0.37 (0.23–0.59) | <0.001 | 0.04 (0.03–0.06) | <0.001 | ||
| Sex | ||||||||
| Male | 1 | 1 | 1 | |||||
| Female | 1.01 (0.81–1.27) | 0.901 | 0.79 (0.64–0.99) | 0.038 | 0.87 (0.71–1.06) | 0.155 | ||
| Race | ||||||||
| White | 1 | 1 | 1 | |||||
| Black | 0.99 (0.71–1.37) | 0.931 | 0.25 (0.15–0.42) | <0.001 | 0.43 (0.31–0.61) | <0.001 | ||
| Other | 0.78 (0.46–1.33) | 0.363 | 0.91 (0.59–1.4) | 0.664 | 0.56 (0.36–0.86) | 0.008 | ||
| Comorbidity score | ||||||||
| 0 | 1 | 1 | 1 | |||||
| 1 | 0.96 (0.76–1.21) | 0.717 | 0.81 (0.65–1.02) | 0.073 | 1.23 (1.01–1.5) | 0.044 | ||
| ≥2 | 0.65 (0.47–0.91) | 0.011 | 0.58 (0.42–0.8) | 0.001 | 0.54 (0.41–0.72) | <0.001 | ||
| Year of diagnosis | ||||||||
| 2004 | 1 | 1 | 1 | |||||
| 2005 | 0.84 (0.51–1.36) | 0.469 | 1.04 (0.62–1.75) | 0.872 | 1.19 (0.77–1.82) | 0.437 | ||
| 2006 | 0.66 (0.41–1.07) | 0.093 | 0.60 (0.36–1.0) | 0.052 | 0.84 (0.55–1.28) | 0.415 | ||
| 2007 | 0.96 (0.61–1.53) | 0.877 | 1.30 (0.80–2.10) | 0.296 | 1.37 (0.91–2.07) | 0.129 | ||
| 2008 | 0.66 (0.42–1.02) | 0.063 | 1.72 (1.10–2.7) | 0.018 | 1.24 (0.85–1.83) | 0.265 | ||
| 2009 | 0.79 (0.51–1.22) | 0.283 | 1.69 (1.09–2.63) | 0.02 | 1.20 (0.82–1.75) | 0.348 | ||
| 2010 | 1.03 (0.68–1.56) | 0.9 | 2.10 (1.36–3.25) | 0.001 | 1.38 (0.95–2.01) | 0.089 | ||
| 2011 | 1.24 (0.81–1.89) | 0.324 | 2.37 (1.52–3.69) | <0.001 | 1.55 (1.06–2.28) | 0.024 | ||
| 2012 | 1.14 (0.75–1.73) | 0.533 | 2.64 (1.71–4.07) | <0.001 | 1.22 (0.84–1.78) | 0.295 | ||
| Median income | ||||||||
| ≥$46,000 (top quartile) | 1 | 1 | 1 | |||||
| $35,000–$45,000 | 1.17 (0.92–1.50) | 0.204 | 0.78 (0.62–0.97) | 0.027 | 0.88 (0.72–1.08) | 0.22 | ||
| $30,000- $34,999 | 1.23 (0.93–1.64) | 0.153 | 0.67 (0.52–0.88) | 0.004 | 0.77 (0.61–0.98) | 0.033 | ||
| <$30,000 | 1.61 (1.18–2.19) | 0.003 | 0.36 (0.26–0.51) | <0.001 | 0.52 (0.39–0.69) | <0.001 | ||
| Unknown | 1.54 (0.99–2.4) | 0.058 | 0.83 (0.53–1.18) | 0.413 | 0.79 (0.53–1.18) | 0.246 | ||
| Medical insurance | ||||||||
| Medicare | 1 | 1 | 1 | |||||
| Private | 0.91 (0.7–1.18) | 0.463 | 1.02 (0.80–1.29) | 0.891 | 1.25 (1.01–1.54) | 0.037 | ||
| Medicaid | 1.51 (0.95–2.39) | 0.084 | 1.01 (0.61–1.67) | 0.969 | 1.10 (0.73–1.67) | 0.644 | ||
| Other government | 1.19 (0.57–2.49) | 0.638 | 1.00 (0.50–2.02) | 0.99 | 0.76 (0.40–1.46) | 0.415 | ||
| Uninsured | 0.65 (0.35–1.18) | 0.157 | 0.30 (0.14–0.65) | 0.002 | 0.50 (0.30–0.85) | 0.01 | ||
| Unknown | 0.85 (0.40–1.81) | 0.676 | 1.04 (0.56–1.96) | 0.893 | 0.68 (0.37–1.24) | 0.207 | ||
| Esophageal tumor location | ||||||||
| Lower third | 1 | 1 | 1 | |||||
| Middle third | 0.80 (0.61–1.05) | 0.104 | 0.74 (0.57–0.96) | 0.023 | 0.52 (0.41–0.66) | <0.001 | ||
| Upper third | 1.56 (1.08–2.26) | 0.018 | 0.59 (0.37–0.94) | 0.026 | 0.26 (0.16–0.41) | <0.001 | ||
| Unknown | 0.42 (0.32–0.55) | <0.001 | 0.50 (0.39–0.64) | <0.001 | 0.37 (0.30–0.46) | <0.001 | ||
| Facility type | ||||||||
| Academic | 1 | 1 | 1 | |||||
| Non-academic | 1.00 (0.81–1.23) | 0.969 | 0.21 (0.18–0.26) | <0.001 | 0.37 (0.31–0.44) | <0.001 | ||
| Distance from facility | ||||||||
| 0–25 miles | 1 | 1 | 1 | |||||
| >25 miles | 1.02 (0.80–1.32) | 0.852 | 3.20 (2.58–3.97) | <0.001 | 2.34 (1.91–2.86) | <0.001 | ||
CRT, concurrent chemoradiation; LE, local excision; Eso, esophagectomy; OR, odds ratio; CI, confidence interval.