Model using clinical predictors + c-reactive protein (CRP) only
| Coef. | Std. Err. | z | P > z | Points | |
|---|---|---|---|---|---|
| CRP | |||||
| > 10 to 20 mg/dL | 1.522 | 0.309 | 4.920 | 0.000 | 3 |
| > 20 mg/dL | 0.974 | 0.539 | 1.810 | 0.071 | 2 |
| Respiratory rate ≥ 30 | 1.246 | 0.420 | 2.970 | 0.003 | 3 |
| Age | |||||
| 50 to 65 | 1.798 | 0.786 | 2.290 | 0.022 | 4 |
| > 65 | 3.279 | 0.765 | 4.290 | 0.000 | 7 |
| Asthma | 0.977 | 0.417 | 2.340 | 0.019 | 2 |
| _cons | −5.236 | 0.782 | −6.690 | 0.000 |