Table 4.
Diagnostic risk classification of pneumonia by simplified diagnostic score in 2820 patients with acute cough
| Score (risk category) | Symptoms and signs + CRP >30 mg/L* | |
|---|---|---|
| No of patients (% of 2820) | No with pneumonia (observed prevalence) | |
| 0 (low) | 572 (20.3) | 4 (0.7) |
| 1-2 (intermediate) | 1902 (67.4) | 73 (3.8) |
| ≥3 (high) | 346 (12.3) | 63 (18.2) |
| All | 2820 (100) | 140 (0.05) |
*Score: 1×absence of runny nose+1×breathlessness+1×crackles+1×diminished vesicular breathing+1×raised pulse (>100/min)+1×fever (temperature >37.8°C) 1×raised CRP (>30 mg/L).