Table 2 Characteristics of HSUs included in the review (n = 4,052)
Characteristic | Category | n | % (of all HSUs) | % (of HSUs without missing data in the characteristic) |
|---|---|---|---|---|
Estimation method | EQ-5D | 781 | 19.3 | 55.7 |
SF-6D | 147 | 3.6 | 10.5 | |
HUI | 54 | 1.3 | 3.9 | |
QWB | 5 | 0.1 | 0.4 | |
TTO | 170 | 4.2 | 12.1 | |
SG | 87 | 2.1 | 6.2 | |
VAS | 38 | 0.9 | 2.7 | |
Mapping | 67 | 1.7 | 4.8 | |
Expert opinion | 32 | 0.8 | 2.3 | |
Unjustifiable methods | 20 | 0.5 | 1.4 | |
Not reported/missing | 2651 | 65.4 | - | |
Country of sample | China (mainland) | 133 | 3.3 | 14.2 |
Japan | 242 | 6.0 | 25.8 | |
Thailand | 104 | 2.6 | 11.1 | |
South Korea | 92 | 2.3 | 9.8 | |
Iran | 51 | 1.3 | 5.4 | |
Taiwan | 46 | 1.1 | 4.9 | |
Singapore | 67 | 1.7 | 7.1 | |
Hong Kong | 47 | 1.2 | 5.0 | |
Malaysia | 28 | 0.7 | 3.0 | |
India | 19 | 0.5 | 2.0 | |
Other Asian countriesa | 33 | 0.8 | 3.5 | |
Non-Asian countriesb | 76 | 1.9 | 8.1 | |
Not reported/missing | 3114 | 76.9 | - | |
Sample size | n < 50 | 200 | 4.9 | 31.4 |
50 ≤ n < 100 | 146 | 3.6 | 22.9 | |
n ≥ 100 | 291 | 7.2 | 45.7 | |
Not reported/missing | 3415 | 84.3 | - | |
Country of preferences | China (mainland) | 46 | 1.1 | 12.6 |
Japan | 72 | 1.8 | 19.7 | |
Thailand | 48 | 1.2 | 13.2 | |
Hong Kong | 27 | 0.7 | 7.4 | |
South Korea | 39 | 1.0 | 10.7 | |
Singapore | 21 | 0.5 | 5.8 | |
Malaysia | 16 | 0.4 | 4.4 | |
Taiwan | 28 | 0.7 | 7.7 | |
Other Asian countriesc | 23 | 0.6 | 6.3 | |
Non-Asian countriesd | 45 | 1.1 | 12.3 | |
Not reported/missing | 3687 | 91.0 | - |