The study looked at 78 e-bikers and 91 conventional bikers and looked at their injuries. They found that mechanism of injury and general severity was the same for both groups. However, two e-bikers had the most severe injury. They also found that alcohol was consumed twice as often for conventional bikers.
TL;DR People who ride E-bikes had the same type of injuries as conventional bikers (CB), although CB were twice as likely to have consumed alcohol