Table IV.
Expression of E-cadherin in different molecular types of breast cancer: Survival analysis (Kaplan-Meier method).
| Luminal A | Luminal B | HER-2-positive | Triple-negative | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Test statistic | df | χ2 | P-value | χ2 | P-value | χ2 | P-value | χ2 | P-value |
| Log-rank (Mantel-Cox) | 1 | 2.87 | 0.09 | 4.33 | 0.04 | 0.61 | 0.43 | 4.48 | 0.03a |
| Breslow (generalized Wilcoxon) | 1 | 2.87 | 0.09 | 3.31 | 0.07 | 0.51 | 0.48 | 5.42 | 0.02a |
| Tarone-Ware | 1 | 2.87 | 0.09 | 3.75 | 0.05 | 0.51 | 0.46 | 5.03 | 0.02a |
a
P<0.05. df, degrees of freedom; HER-2, human epidermal growth factor receptor 2.