In clause the technique of the analysis of short-term changes antrhopometric of parameters of structure of a body and parameters of blood of the patients having a pathology of bodies of digestion and with cardiovascular of system in a combination to deficiency of weight is resulted. The uncasual clinical intergroup distinctions are investigated and the diagnostic importance of a complex of individual estimations is revealed. Use of a technique of the statistical analysis received parameters allows to estimate efficiency of realization of a nutrition healthy and patient of diseases.