TABLE 3

Hospital Costs and LOS for Preterm/LBW Infant Hospitalizations According to Transfer Status: United States, 2001

Transfer StatusDischargesLOSCost
n95% CI% of All Preterm StaysMean95% CIMedianMean95% CIMedianTotal, in Thousands95% CI
Preterm infant hospitalizations (total)384 200352 200–416 10012.912.0–13.7415 10013 300–16 80030005 786 9324 896 718–6 677 146
    Preterm delivery, no transfera306 000278 800–333 3008012.111.3–12.8412 90011 600–14 20022003 951 7583 369 687–4 533 829
    Preterm delivery, transferred outb30 00025 300–34 60086.65.0–8.2012 0008800–15 3001600360 080261 724–458 435
    Preterm infant admitted from another hospitalc26 10017 300–34 900726.623.9–29.31440 80033 600–48 10018 8001 064 810609 160–1 520 460
    Preterm infant readmissionsd22 10018 000–26 200616.414.7–18.1816 40013 900–19 0006000363 03127 832–450 231
  • Source: Agency for Healthcare Research and Quality, 2001 NIS. Hospital costs are for acute care only (see “Methods”).

  • a Includes infants with a principal diagnosis for delivery (ICD-9-CM codes V30.0–V39.2), a secondary diagnosis of preterm/LBW (ICD-9-CM codes 764–765 and V21.3), and a discharge status not equal to “transfer to acute care hospital.”

  • b Includes infants with a principal diagnosis code for delivery (ICD-9-CM codes V30.0–V39.2, excluding V32, V35, V36), a secondary diagnosis of preterm/LBW (ICD-9-CM codes 764–765 and V21.3), and a discharge status of “transfer to acute care hospital.”

  • c Includes infants up to 1 year of age with a principal or secondary diagnosis of preterm/LBW (ICD-9-CM codes 764–765 and V21.3), no diagnosis code for delivery, and an admission source of “acute care hospital.”

  • d Include infants up to 1 year of age with a principal or secondary diagnosis of preterm/LBW, no diagnosis code for delivery, and an admission source other than an acute care hospital.