Table 1 Baseline characteristics of all study patients.
Characteristic | No. of patients (%) |
|---|---|
Age (years) | |
< 60 | 77 (66.4) |
≥ 60 | 39 (33.6) |
Sex | |
Male | 60 (51.7) |
Female | 56 (48.3) |
ECOG score | |
0–2 | 96 (82.8) |
3 | 20 (17.2) |
Primary tumor | |
Pulmonary | 64 (55.2) |
Extra-pulmonary | 52 (44.8) |
History of extracranial RT | |
Yes | 31 (26.7) |
No | 85 (73.2) |
Numbers of brain metastases | |
≤ 4 | 77 (55.0) |
> 4 | 39 (45.0) |
Subsequent systemic therapy | |
Chemotherapy | 53 (45.7) |
Without chemotherapy | 63 (54.3) |
Chemotherapy | |
WBRT | 24 (45.3) |
Focal radiotherapy | 29 (54.7) |
Steroid use | |
Yes | 51 (44.0) |
No | 65 (56.0) |
Radiation modality | |
WBRT with or without local boost | 37 (31.9) |
Focal radiotherapy | 79 (68.1) |
Per fractionation of WBRT (Gy) | |
2.5 | 11 (29.7) |
3 | 26 (70.3) |
Per fractionation of focal RT (Gy) | |
3 | 44 (55.7) |
4 | 35 (44.3) |
