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Table 2 Injury rates and 95% Confidence Intervals (CI) by time in season and type of Athlete-Exposure (AE) in NCAA Men’s Lacrosse, 2009/10–2014/15a

From: The epidemiology of NCAA men’s lacrosse injuries, 2009/10-2014/15 academic years

  Competition Practice Overall
# injuries in sample Rate and 95% CI (per 1000AE) # injuries in sample Rate and 95% CI (per 1000AE) # injuries in sample Rate and 95% CI (per 1000AE)
All injuries
 Preseason 0 0.00 330 5.38 (4.80, 5.96) 330 5.38 (4.80, 5.96)
 Regular season 384 12.88 (11.60, 14.17) 295 3.18 (2.81, 3.54) 679 5.54 (5.12, 5.95)
 Postseason 21 7.17 (4.10, 10.24) 25 2.03 (1.24, 2.83) 46 3.02 (2.15, 3.89)
 Total 405 12.35 (11.14, 13.55) 650 3.90 (3.60, 4.21) 1055 5.29 (4.98, 5.61)
All time loss injuriesb
 Preseason 0 0.00 179 2.92 (2.49, 3.35) 179 2.92 (2.49, 3.34)
 Regular season 207 6.95 (6.00, 7.89) 143 1.54 (1.29, 1.79) 350 2.85 (2.55, 3.15)
 Postseason 4 1.37 (0.03, 2.70) 12 0.98 (0.42, 1.53) 16 1.05 (0.54, 1.57)
 Total 211 6.43 (5.56, 7.30) 334 2.01 (1.79, 2.22) 545 2.74 (2.51, 2.96)
All severe injuriesc
 Preseason 0 0.00 32 0.52 (0.34, 0.70) 32 0.52 (0.34, 0.70)
 Regular season 47 1.58 (1.13, 2.03) 33 0.36 (0.23, 0.48) 80 0.65 (0.51, 0.80)
 Postseason 1 0.34 (0.00, 1.01) 2 0.16 (0.00, 0.39) 3 0.20 (0.03, 0.42)
 Total 48 1.46 (1.05, 1.88) 67 0.40 (0.31, 0.50) 115 0.58 (0.47, 0.68)
  1. aData originates from the Datalys Center for Sports Injury Research and Prevention Injury Surveillance Program, 2009/10-2014/15
  2. bIncludes injuries that resulted in participation restriction of at least 24 h
  3. cIncludes injuries that resulted in participation restriction of over 3 weeks, or the student-athlete prematurely ending his season