Table 1 Patient demographic characteristics
| Â | Total | Center A | Center B | Center C |
|---|---|---|---|---|
Treatments (Patients) | 296 (262) | 176Â (144) | 80Â (79) | 40Â (39) |
Sex | ||||
 Male | 42.9% | 44.3% | 42.5% | 37.5% |
 Female | 57.1% | 55.7% | 57.5% | 62.5% |
Age at treatment (years) | ||||
 Median (range) | 63.8 (22.4–91.4) | 60.5 (22.4–89.2) | 66.9 (40.7–88.1) | 66.1 (40.9–91.4) |
Follow-up (months) | ||||
 Mean (SD) | 40.7 (29.0) | 38.4 (20.4) | 58.3 (36.6) | 16.4 (16.6) |
 Median (range) | 38.0 (0.7–117.0) | 38.4.0 (3.7–79.3) | 49.0 (3.0–117.0) | 8.0 (0.7–66.1) |
 Re-irradiation (n) | 34 | 32 | 1 | 1 |
 MS (n) | 17 | 8 | 0 | 9 |