Shared e-scooter injuries from 2 periods were compared: an unrestricted period (January 1 to August 31, 2021) and a restricted period (January 1 to August 31, 2022). Data were collected from the electric patient database from 3 trauma hospitals representing all public hospitals treating patients with acute trauma in Helsinki. Objective To investigate the association of restrictions on top speed and nighttime usage on the incidence of e-scooter–related injuries.ĭesign, Setting, and Participants A retrospective comparative cohort study of all patients with an injury related to shared e-scooter riding sustained in Helsinki, Finland. The need for effective e-scooter regulations has been established in numerous instances. Importance Electric scooter (e-scooter) crashes have become a serious health issue worldwide. Shared Decision Making and Communication.Scientific Discovery and the Future of Medicine.Health Care Economics, Insurance, Payment.Clinical Implications of Basic Neuroscience.Challenges in Clinical Electrocardiography.