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Table 2 Five-year results for death, myocardial infarction, and stroke by AKI status in the full 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
      Crude Adjusteda
Endpoint n n % (95% CI) % (95% CI) (95% CI) (95% CI)
Death
Non-AKI 90 743 2.3 (1.4 to 3.7) 12.1 (10.0 to 14.7) 1 (reference) 1 (reference)
AKI 76 287 9.4 (6.6 to 13.4) 26.5 (21.2 to 32.0) 2.4 (1.8 to 3.3) 1.6 (1.1 to 2.2)
Stage 1 59 238 8.8 (5.8 to 13.2) 24.8 (19.8 to 30.8) 2.3 (1.6 to 3.1) 1.4 (1.0 to 2.1)
Stage 2 + 3 17 49 12.2 (5.7 to 25.2) 34.7 (23.2 to 49.7) 3.4 (2.0 to 5.7) 2.3 (1.4 to 3.9)
Myocardial infarction
Non-AKI 23 708 1.4 (0.7 to 2.5) 3.3 (2.1 to 4.8) 1 (reference) 1 (reference)
AKI 14 278 1.8 (0.7 to 3.9) 5.0 (2.9 to 8.1) 1.7 (0.9 to 3.3) 1.5 (0.7 to 3.2)
Stage 1 11 230 1.7 (0.6 to 4.1) 4.7 (2.6 to 7.6) 1.6 (0.8 to 3.3) 1.4 (0.7 to 3.1)
Stage 2 + 3 3 48 2.1 (0.2 to 9.6) 6.3 (1.6 to 15.4) 2.2 (0.7 to 7.4) 2.0 (0.6 to 6.9)
Stroke
Non-AKI 31 736 1.6 (0.9 to 2.8) 4.2 (2.9 to 5.8) 1 (reference) 1 (reference)
AKI 14 282 2.1 (0.9 to 4.4) 5.0 (2.8 to 7.9) 1.3 (0.7 to 2.4) 0.9 (0.5 to 1.8)
Stage 1 10 236 1.8 (0.7 to 3.9) 5.0 (2.8 to 7.9) 1.1 (0.5 to 2.2) 0.8 (0.4 to 1.6)
Stage 2 + 3 4 46 2.1 (0.9 to 4.4) 3.2 (1.6 to 5.7) 2.5 (0.9 to 7.0) 1.8 (0.6 to 5.3)
  1. aAdjusted for propensity score.
  2. AKI, Acute Kidney Injury; CI, Confidence Interval.