TABLE 1

Hospital Costs and LOS for Infant Hospitalizations: United States, 2001

ClassificationDischargesLOSCost
n95% CIMean95% CIMedianMean95% CIMedianTotal
In Thousands95% CI
Preterm/LBW384 200352 200–416 10012.912.0–13.7415 10013 300–16 80030005 786 9324 896 718–6 677 146
Short gestation/LBW (ICD-9-CM codes 765.00–765.19)334 500305 700–363 40014.013.1–14.9516 70014 700–18 60040005 580 7364 717 296–6 444 176
    Extreme Immaturity (ICD-9-CM codes 765.00–765.09)29 20025 200–33 10042.238.5–45.92665 60057 700–73 50036 8001 913 6921 544 728–2 282 655
    Other preterm (ICD-9-CM codes 765.10–765.19)305 500279 800–331 10011.410.7–12.0512 10010 800–13 40035003 682 8653 152 723–4 213 007
        <2500 g (ICD-9-CM codes 765.11–765.18)190 500173 000–207 90015.314.6–16.1916 60014 900–18 30075003 157 7402 696 633–3 618 846
        ≥2500 g (ICD-9-CM code 765.19)112 900103 700–122 1004.74.4–5.0345003900–51001200509 895435 643–584 147
        Birth weight not stated (ICD-9-CM code 765.10)21001700–24007.96.4–9.3397007300–12 100230020 23714 737–25 738
Slow growth/malnutrition (ICD-9-CM codes 764.00–764.99)58 60053 300–63 9007.87.1–8.5376006500–87001100445 050367 207–522 893
    <2500 g (ICD-9-CM codes 764.01–764.08 764.11–764.18, 764.21–764.28, 764.91–764.98)43 80039 900–47 8009.48.6–10.3395008100–10 8001500414 533341 762–487 304
    ≥2500 g (ICD-9-CM codes 764.09, 764.19, 764.29, 764.99)14 50012 700–16 4002.92.7–3.1219001400–250070028 17020 096–36 244
    Birth weight not stated (ICD-9-CM codes 764.00, 764.10, 764.20, 764.90)200200–3007.84.4–11.3456003200–790026001379734–2024
Uncomplicated newborns1 929 8001 776 300–2 083 3001.91.9–2.02600600–7005001 223 0761 115 676–1 330 477
All other infants2 297 4002 123 800–2 471 0003.02.8–3.1223002000–27008005 338 4214 521 906–6 154 936
  • Source: Agency for Healthcare Research and Quality, 2001 NIS. Number of discharges and total costs for these categories exceed 100% because of overlapping diagnoses, but total costs for any diagnosis of preterm birth/LBW were not double counted. CI indicates confidence interval.