borderline significanceP =0.07
When unrelated deaths were considered, the AC group exhibited borderline significance in ischemic stroke recurrence in univariate (HR: 1.26, 95% confidence interval [CI]: 0.98–1.62, P =0.07) and multivariate (HR: 1.25, 95% CI: 0.97–1.60, P =0.08) assays.