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Fig. 3 | Orphanet Journal of Rare Diseases

Fig. 3

From: Does the low prevalence affect the sample size of interventional clinical trials of rare diseases? An analysis of data from the aggregate analysis of clinicaltrials.gov

Fig. 3

A breakdown of epidemiological data of rare diseases in Orphadata. a Whether or not the rare disease has any prevalence data; b Number of prevalence data entries per rare disease (extracted from literature); c Whether or not the given prevalence value is validated; d The subtype of prevalence information by geographical area

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Orphanet Journal of Rare Diseases

ISSN: 1750-1172