Features | No. of cases | DANCR | p value†| |
---|---|---|---|---|
High | Low | Â | ||
Age at diagnosis | Â | Â | Â | 0.481 |
<18 | 52 | 40 | 12 | Â |
≥18 | 43 | 32 | 11 |  |
Gender | Â | Â | Â | 0.472 |
 Female | 51 | 38 | 13 |  |
 Male | 44 | 34 | 10 |  |
Histological subtype | Â | Â | Â | 0.674 |
Osteoblastic | 9 | 6 | 3 | Â |
Chondroblastic | 18 | 12 | 6 | Â |
Fibroblastic | 38 | 30 | 8 | Â |
Mixed | 30 | 24 | 6 | Â |
Clinical stage | Â | Â | Â | 0.005 |
 I + IIA | 42 | 26 | 16 |  |
 IIB/III | 53 | 46 | 7 |  |
Distant metastasis | Â | Â | Â | 0.002 |
Absent | 37 | 22 | 15 | Â |
Present | 58 | 50 | 8 | Â |
Tumor size (cm) | Â | Â | Â | 0.014 |
 <5 | 39 | 23 | 16 |  |
  ≥ 5 | 56 | 49 | 7 |  |
Anatomic location | Â | Â | Â | 0.431 |
Tibia/femur | 49 | 38 | 11 | Â |
Elsewhere | 46 | 34 | 12 | Â |