| Viral | Bacterial | Mixed | No pathogen |  | p-value a |  |
---|---|---|---|---|---|---|---|
(n = 40) | (n = 36) | (n = 6) | (n = 100) | Viral vs. bacterial | Viral vs. mixed | Viral vs. no pathogen | |
X-ray, (n) | 33 | 26 | 5 | 81 | Â | Â | Â |
 Unilobar infiltrate, n (%) | 9 (27.3) | 5 (19.2) | 0 (0.0) | 14 (17.3) | 0.48 | 0.47 | 0.23 |
 Multilobar infiltrates, n (%) | 6 (18.2) | 10 (38.5) | 2 (40.0) | 30 (37.0) | 0.09 | 0.56 | 0.05 |
 Interstitial infiltrates, n (%) | 3 (9.1) | 7 (26.9) | 1 (20.0) | 17 (21.0) | 0.14 | 0.89 | 0.13 |
 Pleural effusion, n (%) | 5 (15.2) | 11 (42.3) | 0 (0.0) | 24 (29.6) | 0.02 | 0.95 | 0.11 |
 Normal, n (%) | 8 (24.2) | 2 (7.7) | 1 (20.0) | 14 (17.3) | 0.18 | 1.00 | 0.40 |
Computer tomography, (n) | 23 | 29 | 5 | 71 | Â | Â | Â |
 Unilobar infiltrate, n (%) | 5 (21.7) | 4 (13.8) | 0 (0.0) | 7 (9.9) | 0.70 | 0.69 | 0.26 |
 Multilobar infiltrates, n (%) | 11 (47.8) | 16 (55.2) | 4 (80.0) | 32 (45.1) | 0.60 | 0.42 | 0.82 |
 Ground glass opacity, n (%) | 4 (17.4) | 6 (20.7) | 2 (40.0) | 29 (40.8) | 1.00 | 0.57 | 0.04 |
 Pleural effusion, n (%) | 5 (21.7) | 13 (44.8) | 1 (20.0) | 25 (35.2) | 0.09 | 1.00 | 0.23 |
 Normal, n (%) | 2 (8.7) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0.38 | 1.00 | 0.12 |