Ⅰ. Introduction 10
Ⅱ. Materials and Methods 13
1. Data 13
2. Variables 15
3. Case definition 16
4. Prevalence of ID and PDD 17
5. Estimation of medical costs of ID and PDD 19
6. Ethics statement 21
Ⅲ. Results 22
Ⅳ. Discussion 51
Ⅴ. References 63
List of TablesTable 1. Number of subjects diagnosed with of ID and PDD from claims data of NHIS between 2007 and 2019... 30
Table 2. Percentage of subjects diagnosed with of ID and PDD from claims data of NHIS between 2007 and 2019... 33
Table 3. Annual prevalence of ID and PDD (per 100,000 person) a: Intellectual disabilities, b: Pervasive and specific developmental disorders,... 35
Table 4. Annual prevalence of ID and PDD in male and female groups (per 100,000 person)... 37
Table 5. Annual average of total medical expenditure per person among income groups... 40
Table 6. Annual average of total medical expenditure per capita among income groups of under 18 and adult population in ID... 43
Table 7. Annual average of total medical expenditure per capita among income groups of under 18 and adult population in PDD... 46
Table 8. Annual average of the total medical expenditure per capita incurred from Inpatient admissions and Outpatient visits based on income levels... 50