Table 1.
Clinicopathological characteristics of NSCLC patients with or without brain metastases
| Characteristic | BM+ group (n=68) |
BM− group (n=64) |
P-value |
|---|---|---|---|
| Age (years) | 58.5±10.2 | 61.8±11.4 | 0.082 |
| Gender | 0.325 | ||
| Male | 48 | 40 | |
| Female | 20 | 24 | |
| Smoking history | 0.939 | ||
| Yes | 44 | 41 | |
| No | 24 | 23 | |
| Pathological type | 0.053 | ||
| Adenocarcinoma | 55 | 43 | |
| Squamous carcinoma | 10 | 10 | |
| Sarcoma | 2 | 2 | |
| Large cell carcinoma | 1 | 1 | |
| Neuroendocrine carcinoma | 0 | 8 | |
| Lymph node metastasis | 0.510 | ||
| Yes | 40 | 34 | |
| No | 28 | 30 |
Abbreviations: NSCLC, non-small cell lung cancer; BM+, NSCLC patients with brain metastases; BM−, NSCLC patients without brain metastases.