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Table 1 Comparison of Injury Rates between Schools with (HS RIO) and without (SISS) Athletic Trainers, 2006/07–2008/09

From: Injuries in girls’ soccer and basketball: a comparison of high schools with and without athletic trainers

  HS RIO SISS RR (95% CI)b
N AEa Rate per 10,000 AE N AE Rate per 10,000 AE
Girls’ Soccer
 All injuries 1203 521,377 23.07 227 56,746 40.00 1.73 (1.51–2.00)
 Competition injuries 778 154,157 50.47 136 18,134 75.00 1.49 (1.24–1.78)
 Practice injuries 425 367,220 11.57 91 38,612 23.57 2.04 (1.62–2.55)
 New injuries 1076 521,377 20.64 144 56,746 25.38 1.23 (1.03–1.46)
 Recurrent injuriesc 127 521,377 2.44 83 56,746 14.63 6.00 (4.54-7.91)
Girls’ Basketball
 All injuries 983 561,608 17.50 149 69,520 21.43 1.22 (1.03–1.45)
 Competition injuries 562 167,090 33.63 88 22,921 38.39 1.14 (0.91–1.43)
 Practice injuries 421 394,518 10.67 61 46,599 13.09 1.23 (0.94–1.60)
 New injuries 845 561,608 15.05 98 69,520 14.10 1.07 (0.87–1.32)
 Recurrent injuriesd 138 561,608 2.46 51 69,520 7.34 2.99 (2.12–4.14)
  1. aAE Athlete-exposure, with one athlete participating in one practice or one competition contributing one AE. AEs may be lower in SISS because participating teams practiced only 3 times per week
  2. bAll RRs calculated with the lower of the two rates as referent group – the group with the significantly higher rate is bolded; CI denotes Confidence Interval. Bolded CIs indicate significance at alpha = 0.05
  3. cRecurrent injuries for HS RIO included recurrence (this academic year) (3.0%), recurrence (previous academic year) (7.1%), other (0.2%) and missing (0.2%). Recurrent injuries for SISS included recurrent injury from this season (10.6%), recurrent injury from previous season (10.1%), complication of previous injury (2.2%), recurrence of an injury from another sport (5.7%), recurrence of a non-sport injury (4.8%), complication of a previous injury from another sport (0.4%) and missing (2.6%)
  4. dRecurrent injuries for HS RIO included recurrence (this academic year) (4.4%), recurrence (previous academic year) (8.3%), other (0.3%) and missing (1.0%). Recurrent injuries for SISS included recurrent injury from this season (7.4%), recurrent injury from previous season (19.5%), complication of previous injury (0.7%), recurrence of an injury from another sport (2.0%), recurrence of a non-sport injury (2.0%) and missing (2.7%)