Table 1 The differences in the average age of onset in NDB and Orphanet
NDB | Orphanet | Number of diseases |
|---|---|---|
Case 1. Average age of onset is later in NDB than that in Orphanet | ||
Acquired | Antenatal, neonatal, infancy | 21 |
Elderly | Antenatal, neonatal, infancy, childhood | 80 |
Case 2. Average age of onset is earlier in NDB than that in Orphanet | ||
Congenital | Adolescent, adult, elderly | 4 |