Variables | N (%) | MST (months) | P value | |
---|---|---|---|---|
Univariate | Multivariate | |||
Sex | Â | Â | 0.146 | 0.004 |
Male | 32 (64.0) | 12.4 | Â | Â |
Female | 18 (36.0) | 23.2 | Â | Â |
Age | Â | Â | 0.532 | 0.630 |
 < 60 | 27 (54.0) | 12.9 |  |  |
 ≥ 60 | 23 (46.0) | 15.4 |  |  |
KPS |  |  |  < 0.001 |  < 0.001 |
 ≥ 70 | 41 (82.0) | 16.5 |  |  |
 < 70 | 9 (18.0) | 2.8 |  |  |
Primary tumor location |  |  | 0.619 | – |
Lung cancer | 39 (78.0) | 13.6 | Â | Â |
Others | 11 (22.0) | 12.4 | Â | Â |
Extracranial metastases | Â | Â | 0.205 | 0.124 |
Existent | 31 (62.0) | 12.4 | Â | Â |
None | 19 (38.0) | 15.4 | Â | Â |
Contemporaneous BM |  |  | 0.615 | – |
Yes | 19 (38.0) | 12.9 | Â | Â |
No | 31 (62.0) | 13.6 | Â | Â |
Number of BMs |  |  | 0.872 | – |
Single | 19 (38.0) | 12.9 | Â | Â |
Multiple | 31 (62.0) | 15.4 | Â | Â |
GTV (cm3) | Â | Â | 0.092 | 0.006 |
 < 10.0 | 29 (58.0) | 16.7 |  |  |
 ≥ 10.0 | 21 (42.0) | 12.9 |  |  |