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Table 3 Five-year results for death, myocardial infarction, and stroke by AKI status in the matched cohort

From: Post-operative acute kidney injury and five-year risk of death, myocardial infarction, and stroke among elective cardiac surgical patients: a cohort study

  Events Number at period start One-year risk Five-year risk Hazard ratio
Endpoint n n % (95% CI) % (95% CI) (95% CI)
Death
Non-AKI 48 257 2.7 (1.3 to 5.6) 18.7 (14.5 to 24.1) 1 (reference)
AKI 66 257 9.3 (6.4 to 13.6) 25.7 (20.8 to 31.5) 1.6 (1.1 to 2.4)
Myocardial infarction
Non-AKI 7 242 0.4 (0.0 to 2.1) 2.9 (1.3 to 5.6) 1 (reference)
AKI 11 248 1.6 (0.5 to 3.8) 4.4 (2.4 to 7.5) 1.1 (0.4 to 3.2)
Stroke
Non-AKI 17 252 3.2 (1.5 to 5.9) 6.7 (4.1 to 10.3) 1 (reference)
AKI 10 252 2.0 (0.8 to 4.3) 4.0 (2.0 to 6.9) 0.5 (0.2 to 1.2)
  1. AKI, Acute Kidney Injury; CI, Confidence Interval.