Figure 4 — Time-to-event analyses of lower-limb venous thromboembolism in aged patients undergoing lumbar spine surgery: a retrospective study of 1620 patients

Research Paper|Volume 11, Issue 19|pp. 8701–8709

Time-to-event analyses of lower-limb venous thromboembolism in aged patients undergoing lumbar spine surgery: a retrospective study of 1620 patients

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Figure 4.Kaplan-Meier analysis regarding hypertension. (A) Time-to-event analysis of postoperative VTE incidence related to hypertension; (B) Cumulative hazard model (log-rank test, P<0.001).