Table 5 Multivariate binary logistic regression analysis for acute kidney injury (AKI) development and mortality at all time points within 48 h of admission

Age >60 years

3.107

12.117

TBSA burned >50%

8.628

0.000*

5.036

14.783

Sex, female

4.199

0.000*

1.940

9.086

Inhalation injury present

3.129

0.000*

1.734

5.647

Serum creatinine >1.1 mg/dL

74.930

0.000*

7.926

708.331

Serum cystatin C >1.1 mg/L

0.150

0.038*

0.025

0.902

Plasma NGAL >153 ng/mL

1.924

0.016*

1.128

3.282

Urine NGAL >131 ng/mL

2.568

0.009*

1.263

5.220

(b) Multivariate logistic regression analysis of mortality

95% CI for odds ratio

Odds ratio

P -value

Lower

Upper

Age >60 years

23.322

0.000*

9.885

55.023

TBSA burned >50%

25.821

0.000*

12.037

55.389

Sex, female

4.704

0.000*

1.999

11.070

Inhalation injury present

0.923

0.771

0.536

1.588

Serum creatinine >1.1 mg/dL

0.976

0.947

0.480

1.986

Serum cystatin C >1.1 mg/L

2.562

0.137

0.741

8.853

Plasma NGAL >153 ng/mL

1.886

0.023*

1.091

3.259

Urine NGAL >131 ng/mL

7.854

0.000*

3.949

15.622