Table 3.
Research Theme by Type of Claims Databases.
| All | NDB | JMDC | MDV | DPC | NHI/LSEHS | JHIA | Other/Multiple | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total | 1493 | % | 102 | % | 340 | % | 187 | % | 584 | % | 160 | % | 12 | % | 108 | % |
| Medical treatment status | 448 | 30.0 | 40 | 39.2 | 149 | 43.8 | 73 | 39.0 | 106 | 18.2 | 43 | 26.9 | 2 | 16.7 | 35 | 32.4 |
| Intervention effect | 447 | 29.9 | 17 | 16.7 | 85 | 25.0 | 60 | 32.1 | 259 | 44.3 | 15 | 9.4 | 1 | 8.3 | 10 | 9.3 |
| Clinical epidemiology, course of diseases | 417 | 27.9 | 33 | 32.4 | 92 | 27.1 | 50 | 26.7 | 187 | 32.0 | 36 | 22.5 | 4 | 33.3 | 15 | 13.9 |
| Health economics | 211 | 14.1 | 10 | 9.8 | 47 | 13.8 | 43 | 23.0 | 42 | 7.2 | 44 | 27.5 | 3 | 25.0 | 22 | 20.4 |
| Health policy evaluation and utilization | 186 | 12.5 | 9 | 8.8 | 23 | 6.8 | 8 | 4.3 | 78 | 13.4 | 49 | 30.6 | 4 | 33.3 | 15 | 13.9 |
| Quality of care | 91 | 6.1 | 11 | 10.8 | 30 | 8.8 | 9 | 4.8 | 29 | 5.0 | 8 | 5.0 | 0 | 0.0 | 4 | 3.7 |
| Research methodology | 77 | 5.2 | 15 | 14.7 | 12 | 3.5 | 6 | 3.2 | 22 | 3.8 | 6 | 3.8 | 0 | 0.0 | 16 | 14.8 |
| Patient health service utilization | 76 | 5.1 | 1 | 1.0 | 31 | 9.1 | 6 | 3.2 | 3 | 0.5 | 16 | 10.0 | 2 | 16.7 | 17 | 15.7 |
| Socioeconomic comparison | 56 | 3.8 | 8 | 7.8 | 7 | 2.1 | 2 | 1.1 | 14 | 2.4 | 17 | 10.6 | 2 | 16.7 | 6 | 5.6 |
| Prediction model | 36 | 2.4 | 1 | 1.0 | 4 | 1.2 | 2 | 1.1 | 22 | 3.8 | 3 | 1.9 | 0 | 0.0 | 4 | 3.7 |
| COVID-19 | 11 | 0.7 | 0 | 0.0 | 1 | 0.3 | 5 | 2.7 | 4 | 0.7 | 1 | 0.6 | 0 | 0.0 | 0 | 0.0 |
| Others | 8 | 0.5 | 0 | 0.0 | 4 | 1.2 | 0 | 0.0 | 2 | 0.3 | 1 | 0.6 | 0 | 0.0 | 1 | 0.9 |
*Up to two themes could be chosen.