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Table 2 Logistic regression analysis for predictor of severe AKI within 7 days

From: Combination of biomarker with clinical risk factors for prediction of severe acute kidney injury in critically ill patients

Variable Univariate Multivariate
Chronic risk factors
 Age > 65 years 1.934 (1.212–3.085) 1.961(1.153–3.336)
 BMI > 30 kg/m2 1.887 (1.085–3.282) NS
 DM 1.748 (1.009–3.027) NS
 CKD 2.982 (1.651–5.388) 2.573(1.319–5.018)
Acute risk factors
 Sepsis 2.824 (1.570–5.081) NS
 MAP< 70 mmHg 2.431 (1.537–3.845) NS
Biochemical indicators
 Serum creatinine, admission (mg/dl) 1.697 (1.263–2.281) NS
 Serum lactate, admission (mmol/l) 1.115 (1.036–1.199) NS
 Nephrocheck (+) 2.720 (1.684–4.394) 2.139(1.260–3.630)
 PCT (+) 4.883 (2.625–9.084) 3.223(1.643–6.321)
  1. Data are expressed as odds ratio (95% CI). NS: Nonsignificant predictors
  2. BMI Body mass index, DM Diabetes mellitus, CKD Chronic kidney disease, MAP Mean arterial pressure, PCT Procalcitonin