Table 1.
Prevalence and Extent of Chest Radiographic Abnormalities
| Abnormality | Participants, No. (%) | |
|---|---|---|
| Prevalence of Abnormality | With >25% Extent of Abnormalitya | |
| Principle patterns | ||
| Rings or tramlines | 55 (28) | 54 (98) |
| Consolidation | 14 (7) | 10 (71) |
| Ground-glass pattern | 10 (5) | 7 (70) |
| Reticulation | 1 (0.5) | 0 (0) |
| Noncavitating nodules | 3 (2) | 3 (100) |
| Cavitating nodules | 0 | … |
| Mass | 0 | … |
| Nonprincipal patterns | ||
| Volume loss | 10 (5) | NA |
| Hyperexpansion | 4 (2) | NA |
| Lymph nodes | 8 (4) | NA |
| Paucity of markings | 3 (2) | NA |
Abbreviation: NA, not applicable.
aGiven as a percentage of those exhibiting the abnormality.