L'Analisi Multivariata dei Dati: uno strumento per la Valutazione dei Servizi Sanitari.

The health service evaluation is an actual problem. The conceptual models proposed in literature, are based on the gap between patient’s expectations for excellence and their perceptions of actual service delivered and, moreover, they allow to collected data of the different nature: ordinal, compositional, and so on. The multidimensional analysis of these data gives more problems and difficulties. Aim of this paper is to face about the mentioned problems as well as to suggest suitable multidimensional methods.