Table 1 The demographical and clinical characteristics in patients with primary GCTB around the knee.
Categories | Number | Percentage |
|---|---|---|
Total, n (%) | 410 | — |
Men | 217 | 52.9 |
Women | 193 | 47.1 |
Age, years, mean (SD) | 35.7 (13.4) | — |
Age group, n (%) | ||
<20 years | 39 | 9.5 |
20–39 years | 235 | 57.3 |
≥ 40 years | 136 | 33.2 |
Side, n (%) | ||
Left Knee | 191 | 46.6 |
Right Knee | 219 | 53.4 |
Location, n (%) | ||
Distal femur | 213 | 52.0 |
Proximal tibia | 183 | 44.6 |
Proximal fibular | 11 | 2.7 |
Patella | 3 | 0.7 |
Campanacci grade, n (%) | ||
I | 52 | 12.7 |
II | 160 | 39.0 |
III | 198 | 48.3 |
Pathologic fracture, n (%) | ||
No | 271 | 66.1 |
Yes | 139 | 33.9 |
Surgical approach, n (%) | ||
Intralesional curettage | 98 | 23.9 |
Curettage combined with resection | 189 | 46.1 |
En bloc marginal resection | 123 | 30.0 |
PMMA, n (%) | ||
Yes | 102 | 24.9 |
No | 308 | 75.1 |
