Table 2. Comparison of histological parameters among ROS1-positive and ROS1-negative NSCLCs.
| ROS1+(n = 14) | ROS1-(n = 182) | P-value | |
|---|---|---|---|
| Lepidic predominant | 1 | 156 | 0.73 |
| Acinar predominant | 8 | 95 | 0.5 |
| Papillary predominant | 2 | 162 | 1 |
| Solid predominant | 3 | 134 | 0.928 |
| Any solid pattern | 13 | 97 | 0.001* |
| Any papillary pattern | 6 | 145 | 0.104 |
| Any lepidic pattern | 4 | 127 | 1 |
| Any acinar pattern | 12 | 41 | 0.702 |
| Cribriform feature | 12 | 133 | 0* |
| Mucinous cells or extracellular mucus | 10 | 129 | 0.003* |
| signet-ring cells | 3 | 167 | 0.244 |
| Psammoma body | 6 | 172 | 0* |
| Perinuclear vacuole | 8 | 98 | 0.427 |
| Hepatoid cell | 1 | 168 | 1 |
* marks parameters showing statistical significance by univariate analysis.