COST - Score Calculator app for iPhone and iPad

The Chertsey Outcome Score for Trauma (COST) is a validated, patient reported, outcome score for all Orthopaedic trauma related conditions.
It’s basis is to quantify the patient’s present status to pre injury state. It allows for assessment of recovery following intervention and rehabilitation. The simple wording can be used over the telephone and using the App.
It is free of charge.

Iliopoulos E, Agarwal S, Khaleel A. Chertsey Outcome Score for Trauma: Development and validation of a new unifying patient reported outcome measure for orthopaedic trauma. Chin J Traumatol 2017;20:329-32.

iOS client developed by Bilal Khaleel.