Table 1.
Baseline Demographic and Clinical Characteristics of LM+ Patients
| Characteristics | Total(N=8) | % |
|---|---|---|
| Age(years), median range | 59.8 | (41–72) |
| <65 | 4 | 50 |
| ≥65 | 4 | 50 |
| Gender | ||
| Male | 6 | 75 |
| Female | 2 | 25 |
| Smoking status | ||
| Former/current | 4 | 50 |
| Never | 4 | 50 |
| Histology | ||
| Adenocarcinoma | 6 | 75 |
| Other | 2 | 25 |
| EGFR mutation | ||
| Yes | 6 | 75 |
| No | 0 | 0 |
| Unknown | 2 | 25 |
| Metastasis site | ||
| Leptomeningeal (yes/no) | 8 | 100 |
| Brain(yes/no) | 4 | 50 |
| Lung(yes/no) | 2 | 25 |
| Bone(yes/no) | 5 | 62.5 |
| Liver(yes/no) | 2 | 25 |
| Pericardium(yes/no) | 1 | 12.5 |
| Pleura(yes/no) | 3 | 37.5 |
Abbreviation: LM, leptomeningeal metastasis.