Table 1.
The basic clinical information of metastatic brain patients
| Clinical characteristics | N |
|---|---|
| Sex | |
| Male | 48 |
| Female | 33 |
| Age (y) | |
| ≥65 | 42 |
| <65 | 39 |
| Original lesion | |
| Lung cancer | 49 |
| Esophagus cancer, gastric cancer, and colon cancer | 28 |
| Cervical cancer | 1 |
| Undefined cancer | 3 |
| Metastatic lesion (n) | |
| ≥3 | 27 |
| <3 | 54 |
| Max diameter of the metastatic brain lesion (cm) | |
| ≥3 | 23 |
| <3 | 58 |
| Metastatic to other regions | |
| Yes | 51 |
| No | 30 |
| Symptoms of CNSa | |
| Yes | 49 |
| No | 32 |
a
In particular refers to symptoms caused by brain tissue damage or compressing, including dizzy, headache, sensory, motor dysfunction, and cognitive impairment, excluding symptoms caused by peripheral nerve or spinal cord damage.