highly significantP = 3.1 × 10 −5
In ER-positive patients, highly significant differences between patients with high vs. low CYP19A1 expression were observed with respect to OS ( P = 3.1 × 10 −5 ; Fig. 4 d), DFS ( P = 2.1 × 10 −4 ; Fig. 4 e), and MFS ( P = 1.5 × 10 −6 ; Fig. 4 f).