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

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)

 Other^a

119

345 (260–431)

2.2 (1.6–2.7)

11.6 (8.7–14.5)

Ethnicity^b

 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)