Bristol A&Es treated 90 e-scooter injuries between May and June, costing the NHS on average £1,000 per patent, a new report claims.
Bristol is one of the trial areas for the 20,000 new rentable e-scooters, alongside Cheltenham, London and Birmingham.
The report published by the Parliamentary Advisory Council for Transport Safety (Pacts), estimates that 71 per cent of hospital admissions were for people who had fallen off their scooter, rather than a collision.
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It is currently illegal under UK law to drive a private e-scooter on the road or on the pavement, though Avon and Somerset Police have previously stated that the majority of e-scooter riders are obeying the law.
A fifth of riders suffered head injuries, as experts estimate only seven per cent of riders wear a helmet.
Professor Edd Carlton, a consultant at North Bristol NHS Trust and an associate professor at the Royal College of Emergency Medicine, told the Pacts report: "Across emergency departments in Bristol over 40 per cent of patients who are treated after e-scooter accidents have fractures, a number also suffer life-changing injuries.
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"The average cost of treatment to the NHS for these injuries is nearly £1,000 per patient."
According to Pacts, around 80 per cent of reported scooter injuries have been from the legal rentable e-scooter sector.
A spokesperson for Voi, the company that owns Bristol's legal e-scooter market, said: "We believe that the introduction of accurate, transparent reporting of accidents, better rider education, investment in better parking and riding infrastructure, as well as a level playing field with safer and appropriate regulation for private e-scooters, which are currently illegal in public spaces, will increase overall road safety."
"Voi believes the future of our cities is accessing zero-emission, lightweight alternatives to polluting motor vehicles; however, this can only be achieved with strict provisions in place requiring private users to be more accountable."
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