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(a) Kaplan–Meier for all-cause mortality according to median levels of oxidized autoantibodies against cardiolipin-immunoglobulin M (OxCL-IgM) during a follow-up period of 41 (20–48) months (log-rank χ2 8·30; P = 0·004). (b) Kaplan–Meier test for all-cause mortality according to whether none, one or two of these antibodies are decreased [anti-phosphorylcholine (PC) and OxCL-IgM] based on median values. Total number of patients 202 (log-rank χ2 15·4; P = 0·0004).
