Table 3.
Results of Cox regression models for dichotomous prognosticator derived from aphorism
| Variables | Hazard ratio (95% CI) for mortality | ||
|---|---|---|---|
| Unadjusted model 1 | Adjusted model 2* | Model 3: full model | |
| Prognosis (reference good) | 2.37 (1.93 to 2.88) | 1.71 (1.37 to 2.12) | 1.50 (1.19 to 1.86) |
| Age (per year) | — | 1.07 (1.06 to 1.08) | 1.06 (1.04 to 1.07) |
| Sex (reference male) | — | 0.58 (0.47 to 0.70) | 0.51 (0.41 to 0.62) |
| Education (per year) | — | 1.00 (0.97 to 1.02) | 1.00 (0.97 to 1.02) |
| Functional status (reference no impairment) | — | — | — |
| Mild or moderate impairment | — | — | 1.80 (1.41 to 2.29) |
| Severe impairment | — | — | 2.62 (2.01 to 3.43) |
*Adjusted for age, sex, and education.