TABLE 4.

Univariate and multivariate logistic regression analyses to identify independent predictors of AKI by KDIGObin, NT0.5, and NT2×

AKI criteria predictorsa	Univariate analysis (OR [95% CI])	P valueb	Multivariate analysis (OR [95% CI])	P valueb
KDIGObin
Age (yr)	1.02 (1.00–1.04)	0.066	1.02 (1.00–1.04)	0.096
Deoxycholate preparation	1.24 (0.61–2.52)	0.553
ICU initiation	1.24 (0.53–2.91)	0.618
Leishmaniasis	1.40 (0.69–2.85)	0.353
Charlson index ≥4	1.28 (0.61–2.71)	0.519
Furosemide	2.26 (1.01–5.07)	0.047	2.30 (0.98–5.39)	0.056
ACE-I	2.29 (0.91–5.77)	0.080
Polymyxin B	0.59 (0.22–1.63)	0.309
Vancomycin	1.22 (0.64–2.32)	0.540
Vasopressors	1.07 (0.50–2.30)	0.854
NT0.5
Age (yr)	1.02 (1.00–1.04)	0.064	1.02 (1.00–1.04)	0.038
Deoxycholate preparation	1.93 (0.93–4.03)	0.078
ICU initiation	1.99 (0.86–4.61)	0.108
Leishmaniasis	0.85 (0.43–1.71)	0.653
Charlson index ≥4	1.13 (0.55–2.34)	0.744
Furosemide	2.13 (1.01–4.49)	0.048
ACE-I	1.66 (0.72–3.81)	0.233
Polymyxin B	0.84 (0.30–2.32)	0.734
Vancomycin	2.01 (1.06–3.81)	0.032	2.24 (1.16–4.32)	0.016
Vasopressors	1.61 (0.76–3.41)	0.218
NT2×
Age (yr)	1.00 (0.98–1.02)	0.965
Deoxycholate preparation	2.32 (0.94–5.69)	0.067
ICU initiation	2.47 (1.05–5.81)	0.038
Leishmaniasis	0.47 (0.20–1.10)	0.082
Charlson index ≥4	1.27 (0.58–2.81)	0.550
Furosemide	1.85 (0.85–4.02)	0.080
ACE-I	1.68 (0.70–4.02)	0.243
Polymyxin B	1.09 (0.36–3.30)	0.874
Vancomycin	2.74 (1.35–5.54)	0.005	2.27 (1.09–4.72)	0.028
Vasopressors	3.34 (1.52–7.32)	0.003	2.73 (1.21–6.16)	0.015

^aAge was evaluated as a continuous variable; all other independent variables are categorical.

^bVariables with a P value of <0.20 in univariate analyses (in bold type) were included in a multivariate backward logistic regression model. Only the variables remaining at the final model are shown.