Table 3.
CT characteristics of patients with basaloid and non-basaloid SCCs.
| Characteristic | Basaloid (n = 39) | Non-basaloid (n = 161) | p value |
|---|---|---|---|
| Tumor size (mm)a | 34.987 ± 18.1393 | 38.018 ± 18.1098 | 0.350 |
| Pre-contrast CT value (HU)a | 29.194 ± 12.2769 | 26.771 ± 11.9599 | 0.282 |
| Post-contrast CT value (HU)a | 59.308 ± 20.1206 | 57.067 ± 19.6877 | 0.526 |
| Net enhancement value (HU)a | 29.702 ± 17.0234 | 29.850 ± 17.1349 | 0.963 |
| Margin | 0.739 | ||
| Smooth | 0 (0) | 2 (1.2) | |
| Spiculated/Lobulated | 36 (92.3) | 144 (89.4) | |
| Not assessable | 3 (7.7) | 15 (9.3) | |
| Shape | 0.839 | ||
| Round | 0 (0) | 1 (0.6) | |
| Lobular/Irregular | 36 (92.3) | 145 (90.1) | |
| Not assessable | 3 (7.7) | 15 (9.3) | |
| Distribution | 0.256 | ||
| Central | 25 (64.1) | 87 (54.0) | |
| Peripheral | 14 (35.9) | 74 (46.0) | |
| Endobronchial tumor growth | 0.028 | ||
| No | 21 (53.8) | 116 (72.0) | |
| Yes | 18 (46.2) | 45 (28.0) | |
| Cavitation | 0.005 | ||
| No | 39 (100) | 136 (84.5) | |
| Yes | 0 (0) | 25 (15.5) | |
| Internal profuse necrosis | 0.022 | ||
| No | 35 (89.7) | 115 (71.4) | |
| Yes | 4 (10.3) | 46 (28.6) | |
| Calcification | 0.058 | ||
| No | 33 (84.6) | 151 (93.8) | |
| Yes | 6 (15.4) | 10 (6.2) | |
| Air bronchogram | 0.011 | ||
| No | 32 (82.1) | 152 (94.4) | |
| Yes | 7 (17.9) | 9 (5.6) | |
| Pleural tagging | 0.668 | ||
| No | 26 (66.7) | 113 (70.2) | |
| Yes | 13 (33.3) | 48 (29.8) | |
| Fissural / Pleural retraction | 0.907 | ||
| No | 33 (84.6) | 135 (8.9) | |
| Yes | 6 (15.4) | 26 (16.1) | |
| Pleural Effusion | 0.098 | ||
| No | 37 (94.9) | 160 (99.4) | |
| Yes | 2 (5.1) | 1 (0.6) | |
| Pericardial effusion | |||
| No | 39 (100) | 161 (100) | |
| Yes | 0 (0) | 0 (0) | |
| Obstructive pneumonia or atelectasis | 0.028 | ||
| No | 23 (59.0) | 123 (76.4) | |
| Yes | 16 (41.0) | 38 (23.6) | |
| Emphysema | 0.208 | ||
| No | 24 (61.5) | 81 (50.3) | |
| Yes | 15 (38.5) | 80 (49.7) | |
Unless otherwise indicated, data are given as number of patients with percentages in parentheses.
a Data are given as mean ± standard deviation. A p value < 0.05 was considered to be significant.