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. 2019 Mar 3;33(2):587–594. doi: 10.21873/invivo.11515

Table IV. Univariate Cox proportional hazards analysis of clinicopathological factors for recurrence-free survival of patients with esophageal cancer.

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ASA-PS: American Society of Anesthesiologists Physical Status; HR: hazard ratio; CI: confidence interval; CRP: C-reactive protein; POD: postoperative day. ASA-PS: aAccording to the Union for International Cancer Control (23). bAccording to Clavien–Dindo classification (25).