Recalibration and validation of the Charlson comorbidity index in Korean incident hemodialysis patients.

PLoS One · 2015 · PMC4436150 · PMID 25984790

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highly significantno p-value reported

However, multivariate-adjusted survival curves for the mCCI-IHD risk groups showed a highly significant linear gradient and were quite well separated, whereas the model using the CCI seemed less able to distinguish among the three lowest-risk groups ( Fig 3 ).

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