Table 2.

Findings on positive baseline CXR (n = 940)

Patterns (alone or combined)
GGO	621 (66.1%)
Reticular pattern	426 (45.3%)
Consolidation/s	224 (23.8%)
Number of patterns present
One	638 (67.9%)
Two	273 (29%)
Three	29 (3.1%)
Pattern combinations
GGO	363 (38.6%)
GGO + reticular pattern	184 (19.6%)
Reticular pattern	169 (18%)
Consolidations	90 (9.6%)
GGO + consolidations	45 (4.8%)
Reticular pattern + consolidations	40 (4.3%)
GGO + reticular pattern + consolidations	29 (3.1%)
Single consolidation	16 (1.7%)
Single consolidation + reticular pattern	4 (0.4%)
Axial distribution
Peripheral	524 (55.7%)
Central	311 (33.1%)
Diffuse (Central + peripheral)	105 (11.2%)
Longitudinal distribution
Middle + inferior	375 (39.9%)
Inferior	208 (22.1%)
Superior + middle	78 (8.3%)
Middle	77 (8.2%)
Superior	46 (4.9%)
Superior + inferior	30 (3.2%)
Diffuse (Superior + middle + inferior)	126 (13.4%)
Laterality
Unilateral	245 (26.1%)
Bilateral	695 (73.9%)