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Table 1 Distribution of emergency department seizure visits in the USA by patient and hospital characteristics (1993–2003)

From: Seizure visits in US emergency departments: epidemiology and potential disparities in care

Group Sample (n) Cumulative estimate in thousands (95% CI) Annual average rate per 1,000 US population (95% CI) Annual average rate per 1,000 ED visits (95% CI)
Overall 3,215 11,200 (10,200–12,100) 3.7 (3.4–4.0) 10.1 (9.2–10.9)
Age (years)
 < 1 106 348 (260–437) 8.0 (6.0–10.1) 8.5 (6.3–10.6)
 1–5 450 1,613 (1,402–1,824) 7.4 (6.4–8.4) 15.1 (13.1–17.0)
 6–10 121 456 (338–575) 2.1 (1.5–2.6) 8.1 (6.0–10.2)
 11–15 101 374 (277–472) 1.7 (1.3–2.2) 6.5 (4.8–8.2)
 16–20 197 775 (606–944) 3.6 (2.8–4.4) 8.9 (7.0–10.8)
 21–30 436 1,497 (1,266–1,727) 3.6 (3.0–4.1) 8.1 (6.9–9.4)
 31–40 552 1,880 (1,653–2,107) 3.9 (3.4–4.4) 11.1 (9.7–12.4)
 41–50 564 1,848 (1,607–2,090) 4.2 (3.7–4.8) 14.2 (12.4–16.1)
 51–60 249 846 (699–994) 2.8 (2.3–3.3) 10.1 (8.3–11.8)
 61–70 177 610 (479–741) 2.8 (2.2–3.4) 9.1 (7.2–11.1)
 71–80 155 526 (417–634) 3.2 (2.5–3.8) 7.6 (6.1–9.2)
 81+ 107 393 (266–520) 0.4 (0.3–0.5) 7.1 (4.8–9.4)
 < 18 850 3,095 (2,726–3,463) 4.0 (3.5–4.4) 10.6 (9.3–11.8)
 ≥ 18 2,365 8,073 (7,325–8,821) 3.6 (3.3–3.9) 9.9 (9.0–10.8)
Sex
 Female 1,395 4,844 (4,358–5,331) 3.2 (2.8–3.5) 8.3 (7.4–9.1)
 Male 1,820 6,323 (5,731–6,915) 4.3 (3.9–4.7) 12.1 (11.0–13.2)
Race
 White 2,186 7,827 (7,055–8,600) 3.2 (2.9–3.5) 9.3 (8.3–10.2)
 Black 910 2,995 (2,586–3,403) 7.9 (6.8–8.9) 12.9 (11.1–14.6)
 Othera 119 345 (260–431) 2.2 (1.6–2.7) 11.6 (8.7–14.5)
Ethnicityb
 Hispanic 348 1,085 (871–1,299) 3.1 (2.5–3.7) 11.4 (9.2–13.7)
 Non-Hispanic 2,381 8,282 (7,503–9,062) 3.1 (2.8–3.4) 11.8 (10.7–12.9)
Urban status
 MSA 2,844 9,231 (8,249–10,200) 3.8 (3.4–4.2) 10.6 (9.5–11.8)
 Non-MSA 371 1,937 (1,296–2,577) 3.1 (2.1–4.2) 8.1 (5.4–10.7)
US region
 Northeast 801 2,193 (1,847–2,538) 3.8 (3.2–4.4) 10.1 (8.5–11.6)
 Midwest 638 2,619 (2,132–3,106) 3.8 (3.1–4.5) 9.3 (7.6–11.0)
 South 1,076 4,145 (3,478–4,811) 3.9 (3.3–4.5) 10.1 (8.5–11.8)
 West 700 2,211 (1,818–2,604) 3.3 (2.7–3.9) 11.1 (9.1–13.1)
  1. ED emergency department, CI confidence interval, MSA metropolitan statistical area
  2. a“Other race” includes Asian, Pacific Islander, American Indian or more than one race was reported
  3. b19% of sample missing ethnicity data