| | WBRT + boost | WBRT Alone | P-Value |
|---|
| (n = 70) | (n = 70) |
|---|
| Age, No. (%) | | | 0.611 |
| < 60 | 34 | 31 | |
| ≥60 | 36 | 39 | |
| Sex, No. (%) | | | 0.577 |
| Male | 48 | 51 | |
| Female | 22 | 19 | |
| KPS, No. (%) | | | 0.294 |
| ≤80 | 41 | 47 | |
| > 80 | 29 | 23 | |
| Number of BMs, No. (%) | | | 0.175 |
| 1–3 | 42 | 34 | |
| > 3 | 28 | 36 | |
| Maximum size of BM, No. (%) | | | 0.176 |
| < 20 mm | 33 | 41 | |
| ≧20 mm | 37 | 29 | |
| Extracranial metastases, No. (%) | | | 0.092 |
| Yes | 16 | 21 | |
| None | 12 | 4 | |
| Unknown | 42 | 45 | |
| Symptoms of BM, No. (%) | | | 0.735 |
| Yes | 35 | 33 | |
| None | 35 | 37 | |
| Systematic treatment | | | 0.237 |
| CTx | 50 | 56 | |
| No-CTx | 20 | 14 | |
- Abbreviations: WBRT+boost whole brain radiotherapy plus focal radiation boost, WBRT whole brain radiation therapy, SRS stereotactic radiosurgery, KPS Karnofsky Performance Status, BM brain metastasis, CTx chemotherapy, No-CTx no chemotherapy
