Table 2. Sources of data on the incidence/prevalence of 70 rare diseases in China.
| Source of data | Number of diseases (n = 21) |
Sources of detailed data [No. (%)] |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Cross-sectional study |
Screening |
Cases seen at hospitals |
Estimates from models |
Some other source of data* |
Total | |||||
| National level | Regional level | Newborn screening | Other screening | Statistical table of reported cases of rare diseases in Taiwan | Other case counts from hospitals | |||||
| In guidelines | 21 (17.36) | 1 (0.70) | 1 (0.70) | 10 (6.99) | 0 (0.00) | 0 (0.00) | 0 (0.00) | 0 (0.00) | 19 (13.29) | 31 (21.68) |
| Not in guidelines | 68 (56.20) | 0 (0.00) | 10 (6.99) | 16 (11.19) | 4 (2.80) | 53 (37.06) | 5 (3.50) | 11 (7.69) | 16 (11.19) | 112 (78.32) |
| Total | 70 (57.85) | 1 (0.70) | 11 (7.69) | 26 (18.18) | 4 (2.80) | 53 (37.06) | 5 (3.50) | 11 (7.69) | 35 (24.48) | 143 (100) |
| 12 (8.39) | 30 (20.98) | 58 (40.56) | ||||||||
*Note: Other sources of data mainly include systematic reviews, meta-analyses, and expert opinions.