For the years 2008–2012, the game-related injury rate of 4.18 to 6.08 per 1000 athlete-exposures, second only to boys’ high school football. For this same time period, the proportion of severe injuries (>21 days’ time loss) sustained during competition in boys’ ice hockey (6%–17%) was comparable to that in football (6%–12%).
–Pediatrics, June 1, 2014