Table 3 Correlation between KDM3A IHC score and the clinicopathologic parameters of patients with OS
Parameters | KDM3A IHC score | P value | ||
|---|---|---|---|---|
High (n = 20) | Low (n = 22) | |||
Sex | Male (n = 27) | 12 | 15 |  |
Female (n = 15) | 8 | 7 | 0.7488 | |
Age (year) | < 20 (n = 31) | 17 | 14 | 0.1658 |
≥20 (n = 11) | 3 | 8 | ||
Tumor size (cm) | < 5 (n = 19) | 4 | 15 | **0.0023 |
≥5 (n = 23) | 16 | 7 | ||
Location | Upper limb bone (n = 17) | 10 | 7 | 0.3462 |
Lower limb bone (n = 25) | 10 | 15 | ||
Lymph node metastasis | Positive (n = 28) | 17 | 11 | *0.0232 |
Negative (n = 14) | 3 | 11 | ||
AJCC/TNM stage | I ~ II (n = 12) | 2 | 10 | *0.0167 |
III ~ IV (n = 30) | 18 | 12 | ||