Table 5 Multivariate cox regression analysis for the risk factors of progressive CKD

Age

1.040

1.010–1.064

0.007

1.050

1.008–1.090

0.018

DM

3.310

2.020–5.435

<  0.01

3.510

2.381–5.173

<  0.01

eGFR ≥  90 mL/min/1.73 m²

Reference

–

–

Reference

–

–

60 ≤ eGFR < 90 mL/min/1.73 m²

1.690

1.071–2.669

0.024

1.380

0.856–2.209

0.187

eGFR < 60 mL/min/1.73 m²

2.890

1.204–6.964

0.018

2.870

1.472–5.580

<  0.01

Postoperative AKI

4.940

3.035–8.042

<  0.01

ICU stay

1.002

1.001–1.004

<  0.01

1.002

1.001–1.003

<  0.01