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Related StoriesStudy finds marked decrease in death, hospitalizations and costs for Medicare patientsYale researchers find improvements in mortality, hospitalizations and outcomes among Medicare patientsNew $6.7 million project aims to help kidney dialysis patients live longer’We are proud to collaborate with Aetna and deliver the resources and customized therapies necessary to improve the lives of individuals living with end stage renal disease,’ said Ron Kuerbitz, CEO of Fresenius Medical Care North America.Tests for interaction involved multiplying this adjustable by the effect modifier of interest and utilizing the Wald test to calculate the P worth linked to the multiplicative interaction term.05). Power calculations are provided in the Supplementary Appendix. Multivariate modeling was guided by the principle of parsimony and by the medical relevance of covariates, the observed strength of association between publicity and covariates or outcome, and the % switch in the chance estimate when covariates were included. Missing data for covariates had been imputed through multiple imputation.31 We performed prespecified sensitivity analyses to minimize potential misclassification because of exposure changes over time, restricting analyses to occasions within 10 years of toenail sampling also to participants with no substantial change in their fish intake from baseline to the finish of follow-up.