Table 2.
Radiological features and presence of metastatic disease at baseline.
| All patients | Gender | Smoking | |||||
|---|---|---|---|---|---|---|---|
| n = 367 | Male n = 201 |
Female n = 166 |
P | Absent n = 185 |
Present n = 154 |
P | |
| n (%) | n (%) | n (%) | n (%) | n (%) | |||
| Radiological findings | |||||||
| Localization of primary | .48 | .82 | |||||
| Central | 115 (44.1)* | 64 (31.8) | 51 (30.7) | 59 (31.9) | 48 (31.2) | ||
| Peripheral | 146 (55.9)* | 84 (41.8) | 62 (37.3) | 71 (38.4) | 64 (41.6) | ||
| Cavitary lesion | 20 (7.7)* | 10 (5) | 10 (6) | .66 | 11 (5.9) | 7 (4.5) | .57 |
| Effusion | 112 (42.9)* | 54 (26.9) | 58 (34.9) | .10 | 69 (37.3) | 39 (25.3) | .018 |
| Metastatic disease | |||||||
| Lung | 173 (47.1) | 94 (46.8) | 79 (47.6) | .88 | 85 (45.9) | 79 (51.3) | .33 |
| Bone | 151 (41.1) | 88 (43.8) | 63 (38) | .26 | 71 (38.4) | 62 (40.3) | .72 |
| Pleural involvement | 128 (34.9) | 64 (31.8) | 64 (38.6) | .18 | 77 (41.6) | 44 (28.6) | .013 |
| Distant LAP | 114 (31.1) | 58 (28.9) | 56 (33.7) | .32 | 60 (32.4) | 46 (29.9) | .61 |
| Brain | 92 (25.1) | 55 (27.4) | 37 (22.3) | .26 | 44 (23.8) | 44 (28.6) | .32 |
| Liver | 67 (18.3) | 38 (18.9) | 29 (17.5) | .72 | 35 (18.9) | 27 (17.5) | .74 |
| Adrenal gland | 62 (16.9) | 41 (20.4) | 21 (12.7) | .05 | 23 (12.4) | 34 (22.1) | .018 |
LAP = lymphadenopathy.
*
Percentages were reported over 261 patients who had complete data for radiological characteristics.