Table 2 Univariate analysis of overall survival
Parameter | OS (months) | P | Parameter | OS (months) | P |
|---|---|---|---|---|---|
Sex | 0.018 | Primary disease control | 0.277 | ||
Female | - | Yes | 36.3 | ||
Male | 33.3 | No | 24.0 | ||
Age, years | 0.159 | Extracranial metastases | 0.094 | ||
≤ 50 | 76.4 | No | 36.4 | ||
≥ 51 | 29.5 | Yes | 28.9 | ||
RPA class | < 0.000 | Number of BMs | 0.612 | ||
1 | 76.4 | 1 | 39.6 | ||
2 | 24.0 | 2–4 | 29.5 | ||
GPA scores | 0.216 | BMsize, Dmax(cm) | 0.012 | ||
0.5–1.5 | 28.9 | ≤ 3 | 36.4 | ||
2–2.5 | 29.5 | > 3 | 18.4 | ||
≥ 3 | 76.4 | Neurologic symptoms | < 0.000 | ||
Smoking history | 0.033 | No | 76.4 | ||
N0 | 39.8 | Yes | 21.3 | ||
KPS scores | 0.166 | ||||
≥ 90 | 39.8 | ||||
≤ 80 | 28.9 | TT after BMs | 0.101 | ||
Tumor histology | 0.023 | Yes | 39.6 | ||
SCC | 21.3 | No | 30.0 | ||
Adenocarcinoma | 36.3 | Initial treatment of BMsa | 0.666 | ||
Thoracic operation | 0.084 | Yes | 27.9 | ||
Yes | 39.8 | No | 36.4 | ||
No | 28.9 |