Fig. 3From: Nationwide comprehensive epidemiological study of rare diseases in Japan using a health insurance claims databaseNumber of diseases with/without correspondences. The top of the bar plot shows the number of the union of matched diseases in Orphanet, GARD, and NANDO. As some diseases in Orphanet have no epidemiological data or natural history, in addition to the second bar indicating disease-based direct comparison, the 3rd, 4th, and 5th figure illustrated the relationship between NDB diseases and Orphanet diseases whose prevalence, average age of onset, and average age of death is disclosed respectively. The bottom bar shows the correspondences between NDB diseases and NANDO diseases, which means NanbyoBack to article page