Table 1.
Characteristics and treatment details in the whole population.
| Characteristics | N = 216 | % |
|---|---|---|
| Age | ||
| <60 | 90 | 41.7 |
| ⩾60 | 126 | 58.3 |
| Gender | ||
| Women | 138 | 63.9 |
| Men | 78 | 36.1 |
| GPA | ||
| <2 | 100 | 46.3 |
| ⩾2 | 116 | 53.7 |
| KPS | ||
| <70 | 30 | 13.9 |
| ⩾70 | 186 | 86.1 |
| Smoking | ||
| No | 174 | 80.6 |
| Yes | 21 | 9.7 |
| Unknown | 21 | 9.7 |
| EGFR mutation | ||
| 19del | 113 | 52.3 |
| L858R | 83 | 38.4 |
| Others | 20 | 9.3 |
| Baseline oligo-BM | ||
| No | 121 | 56.0 |
| Yes | 95 | 44.0 |
| TKI generations | ||
| 1st | 163 | 75.5 |
| 3rd | 53 | 24.5 |
BM, brain metastasis; GPA, Graded Prognostic Assessment; KPS, Karnofsky Performance Status; TKIs, tyrosine kinase inhibitors.