NQO1 and ovarian carcinoma: Moreover, survival of patients with G1 (Log-rank = 4.359, P = 0.037), G2 (Log-rank = 7.020, P = 0.008) and G3 (Log-rank = 5.978, P = 0.015) ovarian carcinoma was significantly lower in patients with tumors exhibiting high versus low NQO1 expression (Figure 3D–F).