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Table 4 Hazard ratios for multivariable models of 90-day mortality for P-PENK24h > 105.7 pmol/mL and P-NGAL24h > 151 ng/mL

From: Predictive value of plasma proenkephalin and neutrophil gelatinase-associated lipocalin in acute kidney injury and mortality in cardiogenic shock

 

Hazard ratio

95% CI

p value*

c-statistic

c-statistic without PENK/NGAL

P-PENK24h > 105.7 pmol/mL at 24 h

     

Univariable

5.8

3.1–10.7

< 0.001

0.705

 

Adjusted model 1 (CardShock risk score)

4.5

2.3–8.7

< 0.001

0.778

0.726

Adjusted model 2 (IABP II SHOCK score)

4.2

2.0–9.0

< 0.001

0.750

0.702

Adjusted model 3 (AKIcrea48h)

3.5

1.7–6.9

< 0.001

0.750

0.671

Adjusted model 4 (CardShock risk score + AKIcrea48h)

2.7

1.3–5.6

0.01

0.800

0.781

Adjusted model 5 (IABP II SHOCK score + AKIcrea48h)

2.7

1.2–5.9

0.01

0.773

0.749

P-NGAL24h > 151 ng/mL at 24 h

     

Univariable

5.2

2.8–9.8

< 0.001

0.632

 

Adjusted model 1 (CardShock risk score)

3.4

1.7–6.8

0.001

0.733

0.726

Adjusted model 2 (IABP II SHOCK score)

4.2

2.0–8.9

< 0.001

0.724

0.702

Adjusted model 3 (AKIcrea48h)

3.2

1.6–6.5

0.001

0.716

0.671

Adjusted model 4 (CardShock risk score + AKIcrea48h)

2.0

0.9–4.2

0.07

0.781

0.781

Adjusted model 5 (IABP II SHOCK score + AKIcrea48h)

2.5

1.1–5.9

0.03

0.755

0.749

  1. AKIcrea48h acute kidney injury by creatine increase within 48 h, CI confidence interval, NGAL neutrophil gelatinase-associated lipocalin, PENK proenkephalin
  2. *2 log-likelihood test for additive value of P-PENK/P-NGAL in the model