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Table 6 Cox regression model for risk factors of 3-year MAEs under five complete renal recovery definitions adjusted for the confounding factors age, NYHA grading, diabetes and RRT

From: Evaluation of five different renal recovery definitions for estimation of long-term outcomes of cardiac surgery associated acute kidney injury

 ATNADQIPannuKDIGOBucaloiu
Age (every one year added)1.046 (1.033–1.060)1.050 (1.037–1.063)1.050 (1.036–1.064)1.043 (1.030–1.057)1.052 (1.038–1.066)
NYHA III-IV (Y/N)1.437 (1.055–1.957)1.557 (1.147–2.115)1.675 (1.234–2.275)1.641 (1.206–2.232)1.626 (1.198–2.208)
Diabetes (Y/N)4.240 (3.175–5.662)4.043 (3.039–5.379)3.890 (2.923–5.176)4.338 (3.252–5.788)4.035 (3.035–5.364)
RRT (Y/N)5.363 (3.487–8.248)6.145 (4.009–9.419)9.555 (6.317–14.453)9.446 (6.226–14.33)11.018 (7.314–15.599)
no AKI (reference)
  AKI with complete recovery1.69 (1.20–2.38)*1.45 (1.03–2.04)*1.17 (0.79–1.74)1.37 (0.95–1.99)1.37 (0.91–2.08)
  AKI with partial recovery15.25 (10.68–21.78)*11.39 (8.09–16.02)*4.82 (3.51–6.62)*5.60 (4.01–7.81)*3.62 (2.64–4.95)*
  1. *P < 0.05
  2. ADQI: Acute Dialysis Quality Initiative; AKI: acute kidney injury; ATN: Acute Renal Failure Trial Network; BMI: Body mass index; KDIGO: Kidney Disease: Improving Global Outcomes; MAE: major adverse events; NYHA: New York heart association; RRT: Renal replacement therapy