Still, the model does have its series of limitations. First of all, it is conceived as asystem subject to available information regarding the functioning of the hospital,thus it is strongly dependent on the means of collecting and interpreting primary data regarding the functioning of the hospital.Functional or organizational errors upon conceiving this internal component in the functioning of a hospital may lead to serious errors at the level of the measured indicators.Measurement accuracy is a key element in the case of a highly sensible system.