Table 2.
Brain metastases (BMs) characteristics stratified for radiosurgery treatment arm
| Whole cohort Nbr. Pats. (%) |
Arm-A Nbr. Pats. (%) |
Arm-B Nbr. Pats. (%) |
|
|---|---|---|---|
| Total Nbr of metastases | 449 (100) | 236 (52.6) | 213 (47.4) |
| Nbr of metastases per patient | |||
| 1 | 134 (53.8) | 56 (47.1) | 78 (60) |
| 2 | 60 (23.5) | 30 (24.0) | 30 (23.1) |
| 3 | 32 (12.8) | 19 (15.7) | 13 (10) |
| 4 | 25 (9.9) | 16 (13.2) | 9 (6.9) |
| BM localization | |||
| Supratentorial | 339 (75.5) | 167 (70.8) | 172 (80.8) |
| Intratentorial | 100 (22.3) | 59 (25.0) | 41 (19.2) |
| Brainstem | 10 (2.2) | 10 (4.2) | 0 (0.0) |
| Max. diameter | |||
| < 1 cm | 217 (48.3) | 129 (54.7) | 88 (41.3) |
| 1–2 cm | 193 (42.8) | 87 (36.4) | 106 (49.8) |
| > 2–3 cm | 39 (8.9) | 20 (8.9) | 19 (8.9) |
BMs, Brain metastases; No., Number; SRS, Radiosurgery