Theoretical aspects on efficacy, effectiveness and efficiency in health services

When talking about health efficiency, reference is made to achieving the best results with the scarce resources available for which the forms and technical processes necessary to achieve it. Being efficient means meeting the needs of the population and guaranteeing sustainable development rhythms. An updated bibliographical review was carried out, where essential aspects on the subject were approached, such as: concepts, types of efficiency, challenges and final considerations of the author.