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Table 2 Comparison between ETV1 and COP1 expression, and clinicopathologic parameters in 105 TNBC cases

From: COP1, the negative regulator of ETV1, influences prognosis in triple-negative breast cancer

Characteristics ETV1 χ 2 Pvalue COP1 χ 2 Pvalue
Negative Positive Negative Positive
Age (y)         
 ≤50 14 49 0.545 0.460 41 17 0.213 0.645
 >50 12 30 35 12
Tumor Size         
 ≤2 cm 5 14 −0.030 0.535 13 6 0.182 0.443
 >2 cm 21 65 63 23
Pathological type         
Invasive ductal carcinomas 21 72 −2.078 0.139 69 24 1.337 0.204
Others 5 7 7 5
TNM Stage         
 I 3 3 −6.220 0.045▲* 2 4 −7.466 0.024▲*
 II 12 22 22 12
 III 11 54 52 13
Lymph node metastasis         
 0-4 17 28 −16.986 0.028▲* 31 22 −10.405 0.006▲*
 5-8 6 33 29 5
 ≥9 3 18 16 2
Relapse         
 No 23 44 9.094 0.002 41 26 −11.590 0.000▲*
 Yes 3 35 35 3
  1. *means P < 0.05; − means χ2 of Fisher exact test; means P value of Fisher exact test.