Variable | N | URG4 expression | χ2 | P | |
---|---|---|---|---|---|
Low | High | ||||
Gender | |||||
Male | 29 | 9 | 20 | 0.729 | 0.393 |
Female | 11 | 5 | 6 | ||
Age | |||||
<18 years | 31 | 10 | 21 | 0.455 | 0.499 |
≥18 years | 9 | 4 | 5 | ||
Location | |||||
Femur | 21 | 6 | 15 | 0.806 | 0.668 |
Tibia | 12 | 5 | 7 | ||
Other sites | 7 | 3 | 4 | ||
Tumor necrosis rate (%) | |||||
<90 | 35 | 12 | 23 | 0.063 | 0.802 |
≥90 | 5 | 2 | 3 | ||
Tumour size (cm) | |||||
<5 | 26 | 12 | 14 | 4.062 | 0.043 |
≥ 5 | 14 | 2 | 12 | ||
Histologic type | |||||
Osteoblastic | 31 | 9 | 22 | 2.157 | 0.142 |
Chondroblastic | 9 | 5 | 4 | ||
Tumour metastasis | |||||
Presence | 13 | 1 | 12 | 6.313 | 0.012 |
Absence | 27 | 13 | 14 | ||
Enneking stages | |||||
I | 9 | 7 | 2 | 9.455 | 0.009 |
II | 25 | 6 | 19 | ||
III | 6 | 1 | 5 |