Unnecessary Overtreatment Index: a useful tool in family practice / Índice de Sobretratamento Desnecessário: uma ferramenta útil para a medicina de família / Índice de Sobretratamiento Innecesario: una herramienta útil para la medicina familiar

One of the most important aspects of quaternary prevention is avoiding the exposure of the patients to unnecessary overtreatment. In this commentary we explain how a valid and reliable double blinded randomized controlled clinical trial (RCT) with a good external validity may help a physician to estimate the magnitude of unnecessary overtreatment.