Table 1.
Characteristics of Initial Chest Radiographic Findings for the 201 Patients
| Characteristic | Number (%) |
|---|---|
| Abnormal chest radiograph | 185 (92) |
| Laterality | |
| Right | 73 (36) |
| Left | 61 (30) |
| Bilateral | 51 (25) |
| Site of involvement | |
| Right upper | 30 (15) |
| Right middle | 78 (39) |
| Right lower | 79 (39) |
| Left upper | 28 (14) |
| Left middle | 79 (39) |
| Left lower | 68 (34) |
| Number of zones involved | |
| 0 | 16 (8) |
| 1 | 94 (47) |
| 2 | 55 (28) |
| 3 | 12 (6) |
| 4 | 7 (4) |
| 5 | 9 (5) |
| 6 | 8 (4) |
| Presence of consolidation | 169 (84) |
| Presence of ground-glass opacity | 23 (11) |
| Location of abnormality | |
| Central | 46 (23) |
| Peripheral | 49 (24) |
| Both | 90 (45) |
| Disease pattern | |
| Lobar | 15 (8) |
| Lobular | 158 (79) |
| Diffuse | 12 (6) |