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Table 1 Injury counts and rates in boys’ youth lacrosse, overall and by division, 2015 season

From: The epidemiology of boys’ youth lacrosse injuries in the 2015 season

Division and event type

AEsa

Injury counts

Injury rates per 1000AE (95 % CI)

All injuries

Time loss injuries onlyb

Concussions

All injuries

Time loss injuries only

Concussion

Overall

       

 Game

4075

93

12

7

22.82 (18.18-27.46)

2.94 (1.28-4.61)

1.72 (0.45-2.99)

 Practice

7871

62

12

3

7.88 (5.92-9.84)

1.65 (0.75-2.55)

0.38 (0.00-0.81)

 Overall

11946

155

23

10

12.98 (10.93-15.02)

2.09 (1.27-2.91)

0.84 (0.32-1.36)

U9/U11

       

 Game

1151

31

1

1

26.93 (17.45, 36.41)

0.87 (0.00, 2.57)

0.87 (0.00, 2.57)

 Practice

2029

17

2

2

8.38 (4.40, 12.36)

0.99 (0.00, 2.35)

0.99 (0.00, 2.35)

 Overall

3180

48

3

3

15.09 (10.82, 19.36)

0.94 (0.00, 2.01)

0.94 (0.00, 2.01)

U13/U15

       

 Game

2924

62

11

6

21.20 (15.93, 26.48)

3.76 (1.54, 5.99)

2.05 (0.41, 3.69)

 Practice

5842

45

11

1

7.70 (5.45, 9.95)

1.88 (0.77, 3.00)

0.17 (0.00, 0.51)

 Overall

8766

107

22

7

12.21 (9.89, 14.52)

2.51 (1.46, 3.56)

0.80 (0.21, 1.39)

  1. NOTE: AE athlete-exposure; CI confidence interval
  2. aOne athlete’s participation in one game/practice
  3. bInjuries resulting in participation restriction of at least 24 h