TABLE 4.
Logistic Regression of 12-Month Mortality in Veterans Affairs Data
| Predictor | Lung Cancer, Adjusted OR (95% CI) | Lung Cancer, P | Colorectal Cancer, Adjusted OR (95% CI) | Colorectal Cancer, P |
|---|---|---|---|---|
| EP status | ||||
| Non-EP | Ref | Ref | ||
| EP | 1.74 (1.63 to 1.86) | <.001 | 1.83 (1.61 to 2.07) | <.001 |
| Sex | ||||
| Female | Ref | Ref | ||
| Male | 0.42 (0.36 to 0.48) | <.001 | 0.18 (0.14 to 0.22) | <.001 |
| Age, years | 0.98 (0.98 to 0.98) | <.001 | 0.98 (0.98 to 0.99) | <.001 |
| Stage | ||||
| I | Ref | Ref | ||
| II | 1.95 (1.76 to 2.16) | <.001 | 0.92 (0.76 to 1.12) | .398 |
| III | 4.20 (3.89 to 4.54) | <.001 | 1.23 (1.03 to 1.47) | <.001 |
| IV | 19.75 (18.34 to 21.27) | <.001 | 10.34 (8.82 to 12.13) | <.001 |
| Geography (RUCA) | ||||
| Metropolitan | Ref | Ref | ||
| Micropolitan | 1.06 (0.98 to 1.16) | .159 | 0.79 (0.65 to 0.96) | .017 |
| Small town | 0.98 (0.87 to 1.09) | .671 | 0.89 (0.69 to 1.15) | .376 |
| Rural | 0.95 (0.83 to 1.08) | .439 | 1.08 (0.82 to 1.42) | .577 |
| Elixhauser index | 1.03 (1.02 to 1.03) | <.001 | 1.05 (1.04 to 1.05) | <.001 |
| Race/ethnicity | ||||
| White | Ref | Ref | ||
| Non-Hispanic Black | 0.72 (0.67 to 0.78) | <.001 | 0.62 (0.53 to 0.73) | <.001 |
| Hispanic | 0.78 (0.65 to 0.93) | .006 | 0.85 (0.66 to 1.09) | .203 |
| Asian | 0.33 (0.18 to 0.63) | .001 | 0.52 (0.21 to 1.30) | .162 |
| Pacific Islander | 0.86 (0.62 to 1.19) | .366 | 0.90 (0.48 to 1.69) | .736 |
| American Indian, Alaska Native | 0.76 (0.55 to 1.06) | .102 | 0.71 (0.38 to 1.31) | .270 |
| Other/unknown | 0.97 (0.84 to 1.13) | .710 | 0.82 (0.61 to 1.10) | .191 |
Abbreviations: EP, emergency presentation; OR, odds ratio; Ref, reference; RUCA, rural urban commuting area.