Table IV.
Correlation between WW domain-containing oxidoreductase-antisense RNA 1 expression and clinicopathological characteristics of patients with osteosarcoma.
| Characteristics | Low WWOX-AS1 expression | High WWOX-AS1 expression | χ2 | P-value |
|---|---|---|---|---|
| Sex | 0.9150 | 0.2430 | ||
| Male | 20 | 16 | ||
| Female | 15 | 19 | ||
| Age (years) | 2.8091 | 0.0937 | ||
| <40 | 22 | 15 | ||
| ≥40 | 13 | 20 | ||
| Tumor size (cm) | 0.9790 | 0.4212 | ||
| <6 | 20 | 24 | ||
| ≥6 | 15 | 11 | ||
| Differentiation | 1.5555 | 0.3096 | ||
| Well | 8 | 9 | ||
| Moderate | 17 | 11 | ||
| Poor | 10 | 15 | ||
| Pulmonary metastasis | 5.1851 | 0.0228 | ||
| Yes | 12 | 4 | ||
| No | 23 | 31 | ||
| WHO grade | 1.942 | 0.0121 | ||
| I | 7 | 19 | ||
| II | 17 | 10 | ||
| III | 11 | 6 |
WWOX-AS1, WW domain-containing oxidoreductase-antisense RNA 1; WHO, World Health Organization.