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BACKGROUND Serum levels of total cholesterol, its fractions (high-density lipoprotein-cholesterol (HDL-C) and low-density lipoprotein-cholesterol) and albumin are related to a poor outcome during(More)
We compare the results of a matched cohort study with those yielded by analysis of covariance (ANCOVA) in the cohort where the matched study was nested to assess whether the matching design(More)