Table 1.
Characteristics of Included Studies.
| All | NDB | JMDC | MDV | DPC | NHI/LSEHS | JHIA | Other/Multiple | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total | 1493 | % | 102 | % | 340 | % | 187 | % | 584 | % | 160 | % | 12 | % | 108 | % | |
| Setting | National | 1267 | 84.9 | 97 | 95.1 | 339 | 99.7 | 187 | 100 | 567 | 97.1 | 2 | 1.3 | 2 | 16.7 | 73 | 67.6 |
| Regional | 156 | 10.4 | 3 | 2.9 | 0 | 0.0 | 0 | 0.0 | 5 | 0.9 | 129 | 80.6 | 10 | 83.3 | 9 | 8.3 | |
| Others | 70 | 4.7 | 2 | 2.0 | 1 | 0.3 | 0 | 0.0 | 12 | 2.1 | 29 | 18.1 | 0 | 0.0 | 26 | 24.1 | |
| Age | Children | 94 | 6.3 | 7 | 6.9 | 33 | 9.7 | 7 | 3.7 | 39 | 6.7 | 3 | 1.9 | 0 | 0.0 | 5 | 4.6 |
| Older persons | 134 | 9 | 10 | 9.8 | 9 | 2.6 | 4 | 2.1 | 29 | 5.0 | 80 | 50.0 | 0 | 0.0 | 2 | 1.9 | |
| Others | 1265 | 84.7 | 85 | 83.3 | 298 | 87.6 | 176 | 94.1 | 516 | 88.4 | 77 | 48.1 | 12 | 100.0 | 101 | 93.5 | |
Note.
NDB, National Database of Health Insurance Claims; JMDC, JMDC Claims Database; MDV, Medical Data Vision EBM Provider; DPC, Diagnosis Procedure Combination Database; NHI, National Health Insurance, including Kokuho Database (KDB)/Latter-Stage Elderly Healthcare System (LSEHS); JHIA, Japan Health Insurance Association