Table 1—

Emergency department visits with DKA, according to patient and hospital characteristics, 1993–2003

VariablenEstimated total no. of cases%95% CIRate per 10,000 U.S. population (95% CI)Rate per 10,000 ED visits (95% CI)
Year
    1993–199888315,0004232–522 (1–3)6 (4–7)
    1999–2003122438,0005848–683 (2–4)8 (6–10)
Age (years)
    <108NCNCNCNCNC
    10–1937165,0002214–304 (2–5)12 (7–17)
    20–2938135,0001812–253 (2–5)7 (4–10)
    30–3949180,0002416–324 (2–5)10 (7–14)
    40–493293,000127–182 (1–3)7 (4–10)
    50–5917NCNCNCNCNC
    60–6910NCNCNCNCNC
    70–7913NCNCNCNCNC
    ≥806NCNCNCNCNC
Sex
    Male96370,0004939–593 (2–3)7 (5–8)
    Female114383,0005141–612 (2–3)7 (5–9)
Race
    White144543,0007265–792 (2–3)6 (5–8)
    Black61180,0002417–315 (3–6)8 (5–10)
    Other5NCNCNCNCNC
Ethnicity
    Hispanic18NCNCNCNCNC
    Non-Hispanic154551,0007365–812 (2–3)8 (6–10)
    Unknown38158,0002113–29NA7 (4–11)
Insurance
    Private58215,0002920–37NA5 (3–7)
    Public79287,0003830–47NA8 (6–10)
    Self-pay33119,000169–23NA7 (4–10)
    Other/unknown40132,0001711–24NA8 (5–12)
Region
    Northeast40112,000159–212 (1–3)5 (3–7)
    Midwest57253,0003424–434 (2–5)9 (6–12)
    South72239,0003223–412 (1–3)6 (4–8)
    West41149,0002013–272 (1–3)7 (5–10)
Urban status
    Urban179618,0008275–903 (2–3)7 (6–9)
    Nonurban31135,0001811–262 (1–3)6 (3–8)
Disposition
    Admitted174651,0008781–92NA5 (4–6)
    ICU51213,0002820–36NA14 (9–19)
    Non-ICU123438,0005851–66NA5 (4–6)
    Transferred12NCNCNCNANC
    Discharged24NCNCNCNANC
Total210753,0001003 (2–3)7 (6–8)
  • ED, emergency department; NA, not available; NC, not calculable due to n < 30 (see research design and methods).