Table 1.
Sociodemographic and baseline clinical characteristics of the study patients
| No. of Patients | % of Patients | |
|---|---|---|
| No. of patients included | 97 | |
| Age, mean ± SD/range | 63 ± 11/33–82 | |
| Sex, male | 46 | 47 |
| Educational level,a mean ± SD | 3.1 ± 1.7 | |
| No. of brain metastases | ||
| 1 | 43 | 44 |
| 2 | 31 | 32 |
| 3 | 18 | 19 |
| 4 | 5 | 5 |
| Total tumor volume by patient, cm3 | ||
| Median (range) | 7.8 (0.12–63.9) | |
| Tertiles | < 4.8/4.8–12.6/ > 12.6 | |
| Primary cancer | ||
| Non–small cell lung | 48 | 50 |
| Renal cell carcinoma | 12 | 13 |
| Melanoma | 9 | 9 |
| Colorectal | 9 | 9 |
| Breast cancer | 8 | 8 |
| Other | 11 | 11 |
| Active systemic disease | 52 | 54 |
| Chemotherapy (<3 mo of baseline) | 13 | 13 |
| Extracranial metastases | 54 | 56 |
| Use of corticosteroids | 85 | 88 |
| Use of AEDs | 21 | 22 |
| KPS | ||
| Median (range) | 80 (60–100) | |
| KPS ≥ 90 | 35 | 36 |
aLevel 1–8.28