Fig. 3From: Evaluating the effectiveness of traumatic brain injury state laws among high school athletesEstimated trends by TBI law language regarding category of healthcare provider RTP clearance requirements, 2005/06–2017/18. a Incident concussion rates-multiple categories of healthcare providers; b recurrent concussion rates-multiple categories of healthcare providers; c incident concussion rates-physicians only; d recurrent concussion rates-physicians onlyBack to article page