TABLE 3

Total Cost and Mean Cost for US Bronchiolitis Hospitalizations, According to Various Definitions, 2009

Weighted Sample, nTotal Direct Cost (95% CI), $US (millions)Cost Per Hospitalization, $US
Geometric mean (95% CI)Median (IQR)
All bronchiolitis127 877545 (518–573)2815 (2720–2910)2626 (1702–4298)
Sensitivity analyses
 Bronchiolitis as primary diagnosis106 476444 (420–469)2756 (2658–2853)2575 (1672–4201)
 Age <1 y105 011463 (439–486)2868 (2766–2970)2667 (1719–4409)
 No high-risk conditiona117 968439 (420–457)2668 (2583–2753)2537 (1666–4058)
 Bronchiolitis as primary diagnosis, age <1 y, no high-risk condition81 787305 (291–319)2656 (2565–2747)2527 (1652–4065)
Stratification by use of MV
 Children without MV124 990445 (427–463)2686 (2601–2771)2578 (1686–4140)
 Children with MV2887100 (91–110)21 323 (19 247–23 400)23 822 (11 598–40 426)
  • IQR, interquartile range; MV, mechanical ventilation.

  • a High-risk medical condition was defined as history of prematurity or ≥1 complex medical condition, previously defined by using ICD-9-CM codes in 9 categories of illness (ie, neuromuscular, cardiovascular, respiratory, renal, gastrointestinal, hematology or immunologic, metabolic, malignancy, and other congenital or genetic defect disorders).