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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