Table 1. Patient and disease characteristics.
| Characteristics | ROS1, n=26 | ALK, n=42 | P value |
|---|---|---|---|
| Age, years, median at diagnosis of advanced disease [range] | 56 [36–82] | 56 [36–82] | |
| Sex, n [%] | |||
| Male/female | 10 [38]/16 [62] | 19 [45]/23 [55] | 0.583 |
| Smoking history, n [%] | |||
| Never/light (<10 pack years)/heavy (≥10 pack years) | 15 [58]/5 [19]/6 [23] | 26 [62]/5 [12]/11 [26] | 0.706 |
| Histopathology, n [%] | |||
| Adenocarcinoma/others | 23 [88]/3 [12] | 42 [100]/0 [0] | 0.052 |
| Stage at diagnosis, n [%] | |||
| IIIa–IV/recurrence | 20 [77]/6 [23] | 30 [71]/12 [29] | 0.618 |
| ECOG performance states, n [%] | |||
| 0–1/≥2 | 24 [92]/2 [8] | 37 [88]/5 [12] | 0.618 |
| Brain metastasis at diagnosis, n [%] | |||
| Present/absent | 3 [12]/23 [88] | 12 [29]/30 [71] | 0.100 |
| Crizotinib treatment line, n [%] | |||
| 1/2/≥3 | 10 [38]/6 [23]/10 [38] | 23 [55]/11 [26]/8 [19] | 0.199 |
a, 5 patients in ROS1-positive NSCLC and 2 patients in ALK-positive NSCLC. ECOG, Eastern Cooperative Oncology Group.