TABLE 2

Demographic Characteristics of Patients With Bronchiolitis Discharges (Age <2 Years)

VariableNo. of Observations% Weighted95% CI, %Total Bronchiolitis Discharges (Thousands)95% CI (Thousands)Rate per 1000 US Population95% CI
Bronchiolitis as primary diagnosis53108584 to 86126112 to 1401614 to 18
All bronchiolitisa6258149130 to 1671916 to 21
Age
    <1 y53348584 to 87127111 to 1433228 to 36
    1 y9241513 to 162219 to 2565 to 6
Gender
    Male36485857 to 608776 to 972119 to 24
    Female26104240 to 436254 to 701614 to 18
Race/ethnicity
    White non-Hispanic20763329 to 374940 to 58119 to 13
    Other race/ethnicity24283934 to 445846 to 701713 to 20
    Missing17542823 to 344234 to 50NA
Season
    Winter34616159 to 638372 to 93NA
    Spring13172321 to 243127 to 35NA
    Summer23543 to 564 to 7NA
    Fall6811211 to 131613 to 20NA
Region
    Northeast7961410 to 182114 to 271510 to 20
    Midwest14852419 to 293628 to 432016 to 25
    South27144337 to 496450 to 772117 to 26
    West12631915 to 242922 to 361511 to 18
  • NA indicates not applicable.

  • a Includes bronchiolitis in any of the 15 diagnostic fields.