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Table 2 Estimated number of head trauma treated in U.S. EDs incurred during traffic-related injuries with 95 % CI

From: Emergency department visits for head trauma in the United States

Sex

 

Precipitating cause of injury (PCI)

 

Male

 

MV-occupant

Motorcyclist

Pedal cyclist

Pedestrian

Other transport

 

Estimated ED visits

% of all MV-occupant (95 % CI)

Estimated ED visits

% of all motorcyclist (95 % CI)

Estimated ED visits

% of all pedal cyclist (95 % CI)

Estimated ED visits

% of all pedestrian (95 % CI)

Estimated ED visits

% of all other transport (95 % CI)

0–11

51,387

3.6 (3.0–4.2)

a

a

13,565

9.7 (7.3–12.2)

9740

8.6 (6.2–11.0)

2476

6.8 (4.4–9.3)

12–17

69,985

4.9 (4.3–5.6)

3,760

3.4 (2.3–4.4)

21,672

15.5 (10.0–21.1)

8943

7.9 (6.7–9.1)

3975

11.0 (8.1–13.9)

18–24

188,740

13.3 (12.1–14.5)

20,160

18.0 (15.7–20.4)

17,415

12.5 (9.0–16.0)

10,819

9.5 (8.1–11.0)

2741

7.6 (5.0–10.2)

25–44

233,474

16.5 (15.4–17.5)

36,201

32.4 (29.8–35.0)

26,270

18.8 (16.9–20.8)

18,420

16.2 (14.5–18.0)

4840

13.4 (10.4–16.3)

45–64

123,525

8.7 (8.2–9.2)

29,233

26.2 (22.9–29.4)

25,797

18.5 (15.9–21.1)

15,590

13.7 (10.8–16.7)

3566

9.9 (6.7–13.1)

65+

47,796

3.4 (3.0–3.7)

4,588

4.1 (3.0–5.2)

7818

5.6 (3.7–7.5)

4971

4.4 (3.4–5.4)

2424

6.7 (4.5–8.9)

Total

714,907

 

95,052

 

112,537

 

68,483

 

20,022

 

Female

 

MV-occupant

Motorcyclist

Pedal cyclist

Pedestrian

Other transport

 

Estimated ED visits

% of all MV-occupant (95 % CI)

Estimated ED visits

% of all motorcyclist (95 % CI)

Estimated ED visits

% of all pedal cyclist (95 % CI)

Estimated ED visits

% of all pedestrian (95 % CI)

Estimated ED visits

% of all other transport (95 % CI)

0–11

44,986

3.2 (2.7–3.6)

a

a

4351

3.1 (1.7–4.6)

4482

3.9 (3.2–4.7)

1322

3.7 (1.9–5.4)

12–17

81,698

5.8 (5.1–6.4)

a

a

3301

2.4 (1.4–3.3)

5403

4.8 (3.7–5.8)

2115

5.8 (3.5–8.2)

18–24

176,821

12.5 (11.6–13.3)

2,599

2.3 (1.8–2.9)

5051

3.6 (1.8–5.5)

6762

6.0 (5.0–6.9)

2099

5.8 (4.3–7.3)

25–44

218,453

15.4 (14.3–16.5)

6,639

5.9 (4.3–7.6)

7482

5.4 (3.4–7.3)

11,638

10.2 (8.2–12.3)

3686

10.2 (7.7–12.7)

45–64

130,058

9.2 (8.3–10.0)

5,766

5.2 (4.1–6.3)

5228

3.7 (2.2–5.3)

10,509

9.3 (7.5–11.0)

3927

10.9 (8.6–13.1)

65+

50,281

3.5 (3.1–3.9)

a

a

1636

1.2 (0.5–1.8)

5763

5.1 (3.7–6.4)

2979

8.2 (5.8–10.7)

Total

702,297

 

16,396

 

27,049

 

44,557

 

16,128

 
  1. aEstimate is potentially unstable since unweighted cases <20, national estimate <1,200 cases, or coefficient of variation >30.0 %. No CI is provided