Clinical characteristics

Odds ratio in SP6 expression

p -Value

Age (12-20 vs. <12)

2.16 (0.52-9.33)

0.287

Gender (male vs. female)

3.30 (0.95–12.82)

0.069

Tumor location (tibia vs. femur)

0.37 (0.09-1.40)

0.151

Histological subtype (Osteoblastic vs. Chondroblastic)

4.29 (0.55-83.39)

0.217

Huvos grade (I vs. II)

6.60 (1.34-41.18)

0.028