Clinical characteristics
| LC+ (n = 78) | LC− (n = 31) | |
|---|---|---|
| Age (yr) | ||
| Mean | 56.50 ± 13.61 | 64.03 ± 11.69 |
| Sex (No.) (%) | ||
| Male | 30 (38.46%) | 19 (61.29%) |
| Female | 48 (61.54%) | 12 (38.71%) |
| Primary cancer (No.) (%) | ||
| Lung cancer | 51 (65.38%) | 28 (90.32%) |
| Breast cancer | 19 (24.36%) | 3 (9.68%) |
| Other | 8 (10.26%) | 0 |
| Brain metastasis (No.) (%) | ||
| Yes | 60 (76.92%) | 0 |
| No | 18 (23.08%) | 31 (100%) |
| Extracranial metastasis (No.) (%) | ||
| Yes | 48 (61.54%) | 1 (3.23%) |
| No | 30 (38.46%) | 30 (96.77%) |
| Neurologic symptom (No.) (%) | ||
| Yes | 73 (93.59%) | 0 |
| No | 5 (6.41%) | 31 (100%) |
| KPS | ||
| Mean | 52.56 ± 19.03 | 80.97 ± 3.01 |
Note:—LC + indicates patients with leptomeningeal carcinomatosis; LC −, patients without leptomeningeal carcinomatosis.