Table 1—

Emergency department visits for hypoglycemia according to patient and hospital characteristics, 1993–2005

nEstimated total number of cases (95% CI)Rate per 1,000 of the diabetic population (95% CI)Rate per 1,000 emergency department visits (95% CI)
Overall1,3034,960 (4,460–5,460)34 (30–37)3.7 (3.4–4.1)
Years
    1993–1995215773 (578–969)30 (23–38)2.8 (2.1–3.5)
    1996–1997152672 (524–820)43 (32–54)3.6 (2.8–4.4)
    1998–1999141740 (543–937)26 (19–33)3.6 (2.7–4.6)
    2000–2001222897 (663–1,130)40 (30–50)4.2 (3.1–5.2)
    2002–2003262776 (633–920)32 (24–39)3.5 (2.8–4.1)
    2004–20053111,100 (864–1,340)33 (26–39)4.9 (3.8–5.9)
Age (years)
    <454011,550 (1,330–1,780)62 (53–71)1.7 (1.5–2.0)
    0–1978359 (229–489)0.9 (0.6–1.2)
    20–443231,200 (1,020–1,370)2.3 (2.0–2.7)
    45–643641,230 (1,060–1,400)19 (17–22)5.5 (4.7–6.2)
    65–74219845 (698–991)25 (20–29)10 (8.5–12)
    ≥753191,330 (1,090–1,580)54 (44–64)12 (9.4–14)
Sex
    Female7302,840 (2,470–3,200)37 (32–42)4.0 (3.5–4.5)
    Male5732,120 (1,870–2,380)30 (26–34)3.4 (3.0–3.8)
Race
    White8293,270 (2,910–3,640)28 (25–31)3.6 (3.2–4.0)
    Black3261,210 (970–1,450)50 (40–60)4.8 (3.9–5.8)
    Other36104 (50–159)14 (6.5–21)3.4 (1.6–5.1)
Ethnicity
    Hispanic100329 (241–416)21 (15–27)*2.5 (1.8–3.2)
    Non-Hispanic9853,720 (3,290–4,150)12 (10–13)*3.9 (3.5–4.4)
Insurance
    Private2851,140 (963–1,300)NA2.6 (2.2–3.0)
    Public6432,430 (2,090–2,760)NA5.8 (5.0–6.6)
    Self-pay111414 (316–513)NA2.2 (1.7–2.7)
    Other/unknown124416 (316–515)NA2.4 (1.8–3.0)
U.S. region
    Northeast319903 (747–1,060)NA3.4 (2.8–4.0)
    Midwest2991,320 (1,080–1,570)NA3.9 (3.2–4.6)
    South4852,010 (1,630–2,380)NA4.1 (3.3–4.8)
    West200726 (551–901)NA3.0 (2.3–3.8)
Urban status
    Urban1,0783,730 (3,270–4,190)NA3.5 (3.1–4.0)
    Non-urban2251,230 (806–1,660)NA4.5 (3.0–6.1)
Disposition
    Admitted3181,230 (1,060–1,400)NA7.2 (6.0–8.3)
    Not admitted9693,630 (3,450–3,810)NA3.2 (2.8–3.5)
  • *

    * Data available 1997–2005. NA, data not available.