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Table 2 Multivariate regression analysis

From: Evolution of chronic renal impairment and long-term mortality after de novo acute kidney injury in the critically ill; a Swedish multi-centre cohort study

A. Multivariate poisson regression analysis showing the association between acute kidney injury and mortality
Group Number Deaths Person-years Mortality rate deaths/person-year (95% CI) Crude MRR (95% CI) Adjusted MRRa (95% CI) Adjusted MRRb (95% CI)
No AKI 92,509 31,530 2.3 x 105 0.135 (0.134, 0.137) 1 1 1
AKI 5,273 2,943 7.6 x 103 0.387 (0.374, 0.402) 2.87 (2.76, 2.97) 2.14 (2.06, 2.22) 1.15 (1.09, 1.21)
  1. aModel 1: adjusted for age, gender, myocardial infarction and diabetes mellitus with complications. bModel 2: adjusted for age, gender, simplified acute physiology score-III, myocardial infarction, cerebrovascular disease, diabetes mellitus with complications, moderate to severe liver disease, cancer and dementia. AKI, acute kidney Injury; MRR, mortality rate ratio.