Table 2 Comparison of adjusted cost of hospitalization between neonates with and without AKI.

From: Acute kidney injury associated with increased costs in the neonatal intensive care unit: analysis of Pediatric Health Information System database

Models

No AKI (n = 295,951)

AKI (n = 8,774)

p-value

Complete case analysisa

$60,705 ($60,473-$60,937)

$119,512 ($116,935-$122,147)

<0.0001

Multiple imputation analysisa,b

$55,649 ($55,453-$55,846)

$109,283 ($107,066-$111,546)

<0.0001

  1. aAll predictors were significant in the model and adjusted for: race, ethnicity, sex, gestational age, Feudtner complex chronic conditions classifications, and renal replacement therapy.
  2. bMultiple imputation for gestational age employed in this model.
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