ERBB2 and cancer: On the other hand, in a multivariable Cox model analysis, patients with Glo1high luminal A or HER2-enriched cancers had poorer prognoses (Luminal A; hazard ratio 1.29, 95% CI 1.01-1.64, p = 0.038, n = 679, HER2-enriched; hazard ratio 1.62, 95% CI 1.09-2.42, p = 0.018, n = 220, Supplementary Table 4).