Table 1 Patients and primitive tumor characteristics (n = 184)
Characteristics | Number | Percentage |
|---|---|---|
Sex | ||
Male | 91 | 49.5 |
Female | 93 | 50.5 |
Age at diagnosis of cancer | ||
Median (range) | 58 (21–87) | |
≤ 65 yo | 135 | 73 |
> 65 yo | 49 | 27 |
Age at diagnosis of brain metastasis | ||
Median (range) | 61 (24–88) | |
≤ 65 yo | 124 | 67 |
> 65 yo | 60 | 33 |
Primitive cancer | ||
Lung | 103 | 56.0 |
Adenocarcinoma | 69 | 67 |
Epidermoid | 19 | 18.4 |
Small cell | 4 | 3.9 |
Undifferentiated | 4 | 3.9 |
Other | 7 | 6.8 |
Breast | 24 | 13.0 |
Luminal A | 5 | 20.8 |
Luminal B | 5 | 20.8 |
Her2+ | 11 | 45.8 |
Triple negative | 3 | 12.5 |
Melanoma | 24 | 13.0 |
Kidney | 8 | 4.3 |
Digestive | 16 | 8.7 |
Other | 9 | 4.9 |
Initial tumor stage | ||
1 | 23 | 12.5 |
2 | 47 | 25.5 |
3 | 38 | 20.7 |
4 | 30 | 16.3 |
Unknown | 46 | 25.0 |
Initial node stage | ||
0 | 37 | 20.1 |
1 | 23 | 12.5 |
2 | 49 | 26.6 |
3 | 26 | 14.1 |
Unknown | 49 | 26.6 |
Initial metastasis stage | ||
0 | 81 | 44.0 |
1 | 90 | 48.9 |
Unknown | 13 | 7.1 |