Table 2.
Multivariable Predictors of 3-Year Mortality in the Derivation Cohort
| Predictor Variable* | Parameter Estimate | Chi-square | P-value | Multivariable Odds Ratio (95% CI)† |
|---|---|---|---|---|
| Diagnosis of heart failure | 1.1213 | 18.20 | 0.0001 | 3.07 (1.83-5.14) |
| Sex = male | 0.8205 | 10.68 | 0.0011 | 2.72 (1.39-3.72) |
| Diagnosis of chronic obstructive pulmonary disease‡ | 1.1921 | 8.95 | 0.0028 | 3.29 (1.51-7.19) |
| Most recent prior weight (in lbs) | -0.0060 | 6.10 | 0.0136 | 0.94§ (0.89-0.99) |
| Most recent prior serum albumin concentration (g/dL) | -0.6128 | 5.84 | 0.0157 | 0.54 (0.33-0.89) |
| Any prior PO2 less than 60 mmHg | 0.6497 | 5.60 | 0.0197 | 1.92 (1.12-3.28) |
| Current treatment with inhaled corticosteroid | -0.8888 | 5.06 | 0.0244 | 0.41 (0.19-0.89) |
| Number of prior hospitalizations with pneumonia | 0.2715 | 4.89 | 0.0270 | 1.31** (1.03-1.67) |
| Intercept | -0.4691 | 0.17 | 0.6827 | — |
*
Data available on or before first General Medicine Practice (GMP) visit in 1992. Data are also coded as 1 if present, 0 if absent unless otherwise specified.
†
95% CI = 95% confidence interval.
‡
Diagnosis as recorded at any encounter or on any chest radiograph.
§
Multivariable odds ratio (95% CI) for each 10 lbs of weight.
**
Multivariable odds ratio (95% CI) for each prior hospitalization.