Table 4.
Using Multivariate Analysis for Components of APACHE II and Long-term Mortality Using Cox Regression
| Characteristics | Hazard Ratio (95% CI) | P Value |
|---|---|---|
| Univariate analysis (N = 92) | ||
| Age score | 1.47 (1.09 to 1.99) | .011 |
| Acute physiologic score | ||
| (APS without GCS) | 1.04 (0.93 to 1.17) | .450 |
| Chronic health score | 1.02 (0.68 to 1.52) | .939 |
| Other potential predictors of long-term survival (N = 65) | ||
| Respiratory rate score | 1.02 (0.57 to 1.82) | .947 |
| pO2 score | 0.86 (0.68 to 1.09) | .214 |
| pH score | 0.56 (0.25 to 1.29) | .175 |
| Age score | 1.64 (1.10 to 2.46) | .016 |
| pCO2 greater than or equal to 60 mmHg | 4.40 (1.31 to 14.78) | .017 |
| 60 or more pack-years | 2.38 (1.11 to 5.10) | .026 |
| Any comorbidity | 3.10 (1.37 to 7.05) | .007 |
pCO2, partial presence of carbon dioxide.