Chest radiographic findings in 215 children with community acquired pneumonia
| Total n (%) | Total bacterial n (%) | Exclusively viral n (%) | p Value | Sensitivity (bacterial) | Specificity (bacterial) | |
|---|---|---|---|---|---|---|
| *Includes mixed interstitial and alveolar infiltrates; †sensitivity and specificity for viral pneumonia. | ||||||
| 215 (100) | 134 (100) | 81 (100) | ||||
| <2 years of age | 100 (47) | 51 (38) | 49 (60) | NS | 0.38 | 0.40 |
| ≥2 years of age | 115 (53) | 83 (62) | 32 (40) | 0.001 | 0.62 | 0.60 |
| Alveolar infiltrates* | 137 (64) | 97 (72) | 40 (49) | 0.001 | 0.72 | 0.51 |
| <2 years of age | 54 (25) | 32 (24) | 22 (27) | NS | 0.63 | 0.55 |
| ≥2 years of age | 83 (39) | 65 (49) | 18 (22) | 0.02 | 0.78 | 0.44 |
| Lobar alveolar infiltrates* | 60 (28) | 48 (36) | 12 (15) | 0.001 | 0.37 | 0.85 |
| <2 years of age | 15 (7) | 13 (10) | 2 (2) | 0.003 | 0.25 | 0.96 |
| ≥2 years of age | 45 (21) | 35 (26) | 10 (12) | NS | 0.44 | 0.68 |
| Exclusively interstitial infiltrates | 77 (36) | 37 (28) | 40 (49) | 0.001 | 0.49† | 0.72† |
| <2 years of age | 45 (21) | 19 (14) | 26 (32) | NS | 0.53† | 0.63† |
| ≥2 years of age | 32 (15) | 18 (13) | 14 (17) | NS | 0.44† | 0.78† |
| Hyperaeration | 83 (39) | 47 (35) | 36 (44) | NS | 0.44† | 0.65† |
| Atelectasis | 19 (9) | 10 (7) | 9 (11) | NS | 0.07 | 0.89 |
| Enlarged lymph nodes | 24 (11) | 13 (10) | 11 (14) | NS | 0.10 | 0.86 |
| Pleural fluid | 12 (6) | 8 (6) | 4 (5) | NS | 0.06 | 0.95 |