Evaluating the content validity of the Single Assessment Numeric Evaluation (SANE) in shoulder pathologies

BACKGROUND: The Single Assessment Numeric Evaluation (SANE) is a single item patient reported outcome measure (PROM) of function, in where patients rate how normal they feel in relation to a specific joint or problem. Although validated for some orthopedic conditions, it is not yet validated for a population with shoulder pathologies; nor have other studies explored the content validity. This study aims to understand how 1) patients with …