Table 3 Cox regression analyses of 28-day mortality in patients with sepsis-related acute kidney injury

Model 1

< 0.001

Q1

Reference

Q2

0.64(0.55–0.74)

< 0.001

Q3

0.59(0.51–0.69)

< 0.001

Q4

0.50(0.43–0.58)

< 0.001

Continuous

0.97(0.97–0.98)

< 0.001

Model 2

< 0.001

Q1

Reference

Q2

0.64(0.55–0.74)

< 0.001

Q3

0.60(0.52–0.70)

< 0.001

Q4

0.51(0.44–0.59)

< 0.001

Continuous

0.97(0.97–0.98)

< 0.001

Model 3

< 0.001

Q1

Reference

Q2

0.79(0.68–0.92)

0.002

Q3

0.81(0.70–0.95)

0.009

Q4

0.74(0.63–0.87)

< 0.001

Continuous

0.99(0.98–1.0)

< 0.001