Table 3 Adjusted costs by gestational age among neonates with and without acute kidney injury.

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

Gestational age (completed weeks of gestation)

Neonates without AKI

Neonates with AKI

Adjusted Costa

95% Confidence Interval

Adjusted Costb

95% Confidence Interval

22–26 weeks

$267,941

$263,153

$272,816

$622,252

$600,140

$645,178

27–30 weeks

$209,500

$206,553

$212,490

$467,431

$442,501

$493,764

31–34 weeks

$87,858

$87,084

$88,638

$272,735

$258,715

$287,515

35–37 weeks

$43,060

$42,726

$43,396

$206,398

$198,023

$215,127

≥38 weeks

$34,234

$34,033

$34,437

$191,251

$185,668

$197,003

  1. a,bSignificant for non-linear trend (p < 0.0001) using the Jonckheere-Terpstra test.