Table 2 Correlation analysis of EDN1 expression level and clinical features
Subjects | Low (n = 40) | High (n = 40) | X² | p-value |
|---|---|---|---|---|
Age (years) | 0.205 | 0.651 | ||
< 50 | 16 | 18 | ||
≥ 50 | 24 | 22 | ||
Sex | 0.202 | 0.653 | ||
Male | 21 | 23 | ||
Female | 19 | 17 | ||
Tumor size | 6.084 | 0.014* | ||
<50 mm | 27 | 16 | ||
≥50 mm | 13 | 24 | ||
Differentiation | 7.366 | 0.007** | ||
I/II | 29 | 17 | ||
III/IV | 11 | 23 | ||
Tumor number | 3.208 | 0.073 | ||
1 | 23 | 15 | ||
≥2 | 17 | 25 | ||
Distant Metastasis | 5.013 | 0.025* | ||
YES | 16 | 26 | ||
NO | 24 | 14 |