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Analysis of the character of the linear relation between the totality and some factors (the number of beds, psychiatrists working at hospitals and on an outpatient basis) that characterize the psychiatric services in 18 regions of Siberia and the Far East over 16 years as well as between the identification of new cases of schizophrenia, epilepsy, alcoholism, neuroses, psychoses and oligophrenia has demonstrated a high efficacy of the totality of factors. The differences have been shown between the regions in respect to the relation of the factors to the disease incidence, explained by the authors by the specificity of the organizational structure of the psychiatric services and by a number of other factors.

The authors have demonstrated the existence of linear correlation between the complex of three factors (the number of beds and psychiatrists in hospitals and outpatient clinics) and incidence rate (over a period of 16 years) of neuroses in 11 administrative areas, epilepsy, in 12 areas, psychoses, in 15, oligophrenia, in 17, alcoholism and schizophrenia in all 18 areas of Siberia and the Far East. Correlations of each of the three factors with the morbidity rate varied within a wide range in relation to both administrative areas and individual diseases. The authors draw attention to the importance of supplementing the growth of resources of psychiatric service with new forms and methods of work.

The article deals with the assessment of the main components and canonic correlations reflecting the relationship between the resources of psychiatric care (a number of beds and psychiatrists providing medical care in hospitals and in other settings) and the rate of identification and incidence of psychoses, schizophrenia, epilepsy, alcoholism, neuroses and oligophrenia in Siberia and Far East over a period of 16 years (from 1965 to 1981 excluding 1978). The first main component covered up to 80.1% of the dispersion range of the identification rate and 94.5% of the incidence rate, the second component covered up to 37.1% and 21% respectively. Canonic correlations proved higher for the incidence rate as against the identification rate. Although there were substantial differences in the studied interrelationship with regard to a number of territories, the main tendency was expressed in a marked linear correlation between a growth in the resources of psychiatric service and the time-course of the rates of the studied pathology.