| P value** | ||||
---|---|---|---|---|---|
 | CAP Low Risk (n = 181) | CAP high Risk (n = 215) | Acute bronchitis (n = 45) | Exacerbation of COPD (n = 103) |  |
Demographics | Â | Â | Â | Â | Â |
   - Age (years, ǂ)* | 61 (47-74) | 80 (73-85) | 73 (60-82) | 76 (65-82) | <0.001 |
   - Gender (%, male)* | 87 (48.1) | 138 (64.2) | 20 (44.4) | 60 (58.3) | 0.004 |
   - Nursing home resident (%)* | 5 (2.8) | 16 (7.4) | 2 (4.4) | 7 (6.8) | 0.14 |
Clinical signs | Â | Â | Â | Â | Â |
   - Systolic Blood pressure (mmHg)* | 130 (118-150) | 130 (117-146) | 136 (120-150) | 139 (120-150) | 0.34 |
   - Pulse rate (bpm)* | 98 (80-108) | 95 (80-110) | 84 (71-100) | 91 (82-105) | 0.034 |
   - Respiratory rate (bpm)* | 20 (16-24) | 20 (16-30) | 20 (16-24) | 24 (18-28) | <0.001 |
   - Temperature (°C)* | 38.2 (37.4-38.8) | 38.1 (37.4-38.9) | 37.1 (36.7-38.2) | 37.2 (36.5-38.0) | <0.001 |
Comorbidity | Â | Â | Â | Â | Â |
   - Chronic heart failure* | 6 (3.3) | 64 (29.8) | 7 (15.6) | 16 (15.5) | <0.001 |
   - Cerebrovascular disease* | 6 (3.3) | 27 (12.6) | 4 (8.9) | 8 (7.8) | 0.01 |
   - Renal dysfunction* | 15 (8.3) | 70 (32.6) | 16 (35.6) | 19 (18.4) | <0.001 |
   - Neoplastic disease* | 4 (2.2) | 53 (24.7) | 6 (13.3) | 9 (8.7) | <0.001 |
   - Pneumopathy | 47 (26.0) | 81 (37.7) | 0 (0) | 103 (100) | <0.001 |
   - Diabetes mellitus | 22 (12.2) | 46 (21.4) | 8 (17.8) | 21 (20.4) | 0.092 |
30 days outcome | Â | Â | Â | Â | Â |
   - Length of hospital stay (ǂ) | 7 (5-11) | 10 (7-15) | 6 (4-10) | 8 (5-12) | <0.001 |
   - Mortality (%) | 1 (0.6) | 12 (5.6) | 1 (2.2) | 4 (3.9) | 0.051 |
   - ICU admission (%) | 10 (5.5) | 25 (11.6) | 2 (4.4) | 6 (5.8) | 0.063 |