From: Healthcare burden of rare diseases in Hong Kong – adopting ORPHAcodes in ICD-10 based healthcare administrative datasets
Study period
01–01-2005 to 31–12-2016
Total population
144,444
Total number of admissions
546,673
Male: female ratio
1:1.05
Paediatric (≤18 years): adult admission (> 18 years)
1:3.09