All patients | Patients aged <2 yrs | |
Patients n | 185 | 58 |
Chest imaging | ||
Infiltrates | 128 | 36 |
Ground glass pattern | 34 | 11 |
Honeycomb pattern | 4 | 1 |
Pulmonary function tests | ||
Sa,O2 | 122 | |
Sa,O2 <95% | 73 | 36 |
Pa,O2 | 112 | |
Hypoxaemia | 67 | 26 |
Lung volume | 108 | |
Restriction | 78 | ND |
Dco | 75 | |
Reduction | 43 | ND |
BAL | ||
Cell population data | 98 | 98 |
Macrophage % | 53.8±20.9 | 65.2±17.1 |
Lymphocyte % | 32.2±22.6 | 13.8±11.6 |
Neutrophil % | 11.3±16.5 | 19.8±20.5 |
Eosinophil % | 1.2±1.6 | 1.3±1.6 |
Data are presented as n or mean±sd. Sa,O2: arterial oxygen saturation; Pa,O2: arterial oxygen tension; Dco: diffusion capacity for carbon monoxide; BAL: Bronchoalveolar lavage; ND: not determined