Neurokirurgiliste haiguste üldine esinemissagedus ei muutu, prognoositavad on muutused järgmiste haiguste esinemissageduse ja neurokirurgiliste tervishoiuteenuste osutamise osas:
1) diagnoositud ajuarterite aneurüsmide arv suureneb 1/3 võrra;
2) metastaatiliste ajukasvajate ravivõimalused paranevad ...
During the initial two-year control period which preceeds the achievement of approved status, the sample size of each sampling point is 150 in order to ensure detection at a 95% confidence level of pathogen carriers at a prevalence of 2%.
... objective criteria for designation should be established; those criteria should be based on the prevalence of the condition for which diagnosis, prevention or treatment is sought; a prevalence of not more than five affected persons per 10 thousand is generally regarded as the appropriate threshold ...
