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Patients’ survival according to the types of initial vascular access. (A) Comparisons among the AVF, AVG and CVC patients. (B) Comparison between NTCVC and TCVC. AVF: arteriovenous fistula; AVG: arteriovenous graft; CVC: central venous catheter; NTCVC: non-tunneled CVC; TCVC: tunneled CVC.
