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Table 3 Bivariate and Multivariable Analysis

From: Optimizing gentamicin conventional and extended interval dosing in neonates using Monte Carlo simulation – a retrospective study

Parametera

Clearance (L/h)

Volume of Distribution (L)

Bivariate p-value

Multivariable

p-value

Bivariate p-value

Multivariable p-value

Post-natal age (Days) at gentamicin initiation

< 0.0001

0.0001

0.0037

0.0563

Gender

0.0311

0.0447

0.0667

Weight at gentamicin initiation (g)

< 0.0001

< 0.0001

< 0.0001

<  0.0001

Blood urea nitrogen at baseline (mmol/L)

< 0.0001

0.5855

< 0.0001

0.6643

Serum creatinine at baseline (μmol/L)

< 0.0001

0.0569

0.0011

0.4553

Concomitant nephrotoxins

0.0154

0.9332

0.0279

0.8204

  1. aBaseline values needed to be reported within 14 days prior to the initiation of gentamicin; if unavailable, first value taken during course of gentamicin was used as a surrogate
  2. Bold data indicates statistically significant p-values for a given parameter with either bivariate or multivariable analysis