marginally significantP = 0.09
On multivariate analysis, the presence of LVSI remained as a marginally significant predictive factor associated with a worsened progression-free survival (HR: 1.99, 95% CI: 0.90–4.20, P = 0.09) after controlling for high-grade serous carcinoma ( P = 0.26) and stage ( P < 0.001).