TABLE 2.
Difference of CT characteristics and gene status between low-risk subtype and high-risk subtype.
| Characteristics | Low-risk subtype n = 412 | High-risk subtype n = 72 | p Value |
|---|---|---|---|
| CT characteristics | <0.001 | ||
| GGO components | 323 (78.4) | 36 (50.0) | |
| Pure solid | 89 (21.6) | 36 (50.0) | |
| EGFR gene mutation | <0.001 a | ||
| Negative | 92 (22.3) | 34 (47.2) | |
| Positive | 198 (48.1) | 20 (27.8) | |
| Unknown | 122 (29.6) | 18 (25.0) | |
| ALK rearrangement | 0.017 a | ||
| Negative | 273 (66.3) | 47 (65.3) | |
| Positive | 6 (1.5) | 5 (6.9) | |
| Unknown | 133 (32.3) | 72 (27.8) |
EGFR, epidermal growth factor receptor; ALK, anaplastic lymphoma kinase; CT, computed tomography; GGO, ground-glass opacity.
a
The p value was calculated excluded the patients with unknown EGFR and ALK status.