STUB1 and breast cancer: Univariable analysis revealed a significant association between CHIP and breast cancer in both logistic (odds ratio [OR] (95% confidence interval [CI]), 1.2001 [1.094–1.313], P = 8.94e-05) and CoxPH model (HR [95% CI], 1.2004 [1.099–1.312], P = 5.31e-05) (Table 2).