| Diagnostic tests: |
| Chest radiography | 30 | 28 (93.3) |
| Sputum test for culture and sensitivity | 25 | 19 (76.0)a |
| Chest examination (auscultation/percussion) | 30 | 30 (100.0) |
| Oxygen saturation | 30 | 30 (100.0) |
| Mini mental test | 30 | 30 (100.0) |
| Travel exposure anamnesis | 13 | 7 (53.8)b |
| Blood tests: |
| Blood cultures | 30 | 26 (86.7) |
| Full blood count | 30 | 30 (100.0) |
| C-reactive protein | 30 | 30 (100.0) |
| Electrolytes | 30 | 30 (100.0) |
| Liver function | 30 | 30 (100.0) |
| Arterial blood gases | 26 | 24 (92.3)c |
| Appliance of CURB-65 score to assess disease severity | 30 | 5 (16.7) |
| Non-responding to treatment ≤48 h | 28 | 8 (28.6)d |
| Tests for non-responding patients: |
| L. pneumophila urine antigen test, LUT | 8 | 1 (12.5) |
| Pneumococcal urine antigen test, PUT | 8 | 1 (12.5) |
| Polymerase chain reaction test, PCR | 8 | 3 (37.5) |
| Sputum test for culture and sensitivity | 8 | 1 (12.5) |
| C-reactive protein and white cell count | 8 | 8 (100.0) |
| Chest radiography | 8 | 7 (87.5) |
| Blood cultures | 8 | 7 (87.5) |
