Table 1 Characteristics of head trauma treated in U.S. emergency departments

Gender

    Male

116,291

5,865,536 (54.6)

4,532,344–7,198,727

    Female

90,850

4,880,227 (45.4)

3,801,087–5,959,367

    Unknown^c

18

^b

^b

Age

    0–11

64,976

2,506,502 (23.3)

1,891,605–3,121,400

    12–17

28,749

1,284,749 (12.0)

1,006,639–1,562,859

    18–24

22,960

1,391,571 (12.9)

1,006,590–1,776,552

    25–44

34,519

2,099,395 (19.5)

1,628,127–2,570,663

    45–64

27,415

1,656,661 (15.4)

1,273,498–2,039,825

    65+

28,453

1,803,832 (16.8)

1,359,072–2,248,592

    Unknown

87

^b

^b

Location

    Home

59,001

3,012,637 (28.0)

2,259,680–3,765,595

    School/sports/recreation place

29,063

1,283,775 (11.9)

983,083–1,584,468

    Street

36,816

2,018,501 (18.8)

1,232,527–2,804,475

    Other property

26,943

1,504,002 (14.0)

1,145,785–1,862,219

    Farm

340

28,406 (0.3)

13,033–43,779

    Unknown

54,996

2,899,307 (27.0)

1,606,967–4,191,646

Disposition

    Treated and released

169,772

8,913,111 (82.9)

6,964,493–1,0861,729

    Admitted/hospitalized

34,703

1,686,349 (15.7)

1,118,291–2,254,406

    AMA

2626

144,948 (1.3)

88,526–201,370

    Unknown

58

^b

^b

Traffic-related injury

    Yes

32,997

1,819,824 (16.9)

1,068,129–2,571,519

    No

5206

297,173 (2.8)

191,099–403,247

    Unknown/unspecified

168,956

8,629,631 (80.3)

6,817,644–10,441,619

Sports-related injury

    Yes

36,270 1,714,388

1,714,388 (16.0)

1,260,465–2,168,310

    No

147,916

7,770,932 (72.3)

6,037,623–9,504,241

    Unknown/unspecified

22,973

1,261,309 (11.7)

964,750–1,557,868