Multivariate Cox regression analysis of risk factors (significant in univariate analysis and present in >5% of patients) for emergency CAP within 7 days
| Characteristics | HR (95% CI) | p Value |
|---|---|---|
| Demographics | ||
| Age | 0.37 | |
| Male sex | 0.24 | |
| Antibiotics within 4 weeks | 0.23 | |
| Clinical findings at presentation | ||
| Focal chest signs | 2.10 (1.21 to 3.64) | 0.008 |
| Comorbidities | ||
| Home oxygen therapy | 2.59 (1.77 to 3.79) | <0.001 |
| Extrapulmonary comorbidity | 0.70 | |
| Congestive heart failure | 0.38 | |
| Chronic renal disease | 1.57 (1.04 to 2.37) | 0.032 |
| Vital signs | ||
| Diastolic blood pressure | 0.97 (0.96 to 0.99) | <0.001 |
| Respiratory rate | 1.05 (1.03 to 1.08) | <0.001 |
| Heart rate | 1.01 (1.01 to 1.02) | 0.002 |
| Temperature | 0.73 (0.63 to 0.84) | <0.001 |
| Multilobar infiltrate | 2.06 (1.51 to 2.81) | <0.001 |
| Altered mental status | 2.74 (1.82 to 4.13) | <0.001 |
Significant results are shown in bold.
CAP, community-acquired pneumonia.