From: Mapping of disease-specific Oxford Knee Score onto EQ-5D-5L utility index in knee osteoarthritis
Country | Type of value set | MAE | MSE whole external validation sample(n = 115, 100%) | ||
---|---|---|---|---|---|
Whole external validation sample | Utility ≥ median | Utility < median | |||
(n = 115, 100%) | (n = 58, 50.43%) | (n = 57, 49.57%) | |||
Canada | VT | 0.076 (0.072–0.085) | 0.043 (0.029–0.049) | 0.109 (0.101–0.128) | 0.011 (0.010–0.013) |
China | VT | 0.097 (0.086–0.098) | 0.072 (0.058–0.091) | 0.123 (0.109–0.134) | 0.017 (0.014–0.017) |
Denmark | VT | 0.127 (0.127–0.148) | 0.076 (0.077–0.078) | 0.178 (0.165–0.179) | 0.035 (0.036–0.045) |
Egypt | VT | 0.134 (0.118–0.157) | 0.089 (0.072–0.098) | 0.180 (0.166–0.173) | 0.033 (0.027–0.044) |
England | VT | 0.092 (0.091–0.096) | 0.064 (0.066–0.075) | 0.121 (0.097–0.122) | 0.016 (0.015–0.018) |
Ethiopia | VT | 0.096 (0.093–0.099) | 0.042 (0.037–0.049) | 0.152 (0.156–0.182) | 0.024 (0.022–0.026) |
France | VT | 0.087 (0.084–0.091) | 0.031 (0.032–0.035) | 0.143 (0.151–0.162) | 0.020 (0.018–0.024) |
Germany | VT | 0.101 (0.095–0.111) | 0.043 (0.036–0.043) | 0.160 (0.155–0.178) | 0.026 (0.023–0.033) |
HongKong | VT | 0.128 (0.126–0.128) | 0.094 (0.079–0.098) | 0.163 (0.164–0.172) | 0.027 (0.028–0.028) |
Hungary | VT | 0.107 (0.109–0.119) | 0.049 (0.046–0.051) | 0.166 (0.165–0.170) | 0.025 (0.025–0.027) |
Indonesia | VT | 0.125 (0.110–0.125) | 0.097 (0.097–0.100) | 0.153 (0.136–0.172) | 0.025 (0.022–0.025) |
Ireland | VT | 0.142 (0.139–0.186) | 0.088 (0.081–0.106) | 0.197 (0.161–0.216) | 0.042 (0.041–0.068) |
Japan | VT | 0.077 (0.066–0.092) | 0.078 (0.071–0.083) | 0.076 (0.069–0.077) | 0.010 (0.008–0.013) |
Malaysia | VT | 0.095 (0.078–0.099) | 0.069 (0.059–0.073) | 0.122 (0.103–0.117) | 0.016 (0.012–0.017) |
Netherlands | VT | 0.110 (0.108–0.123) | 0.073 (0.065–0.078) | 0.148 (0.142–0.160) | 0.024 (0.022–0.030) |
Peru_cTTO | VT | 0.137 (0.137–0.146) | 0.110 (0.092–0.117) | 0.165 (0.140–0.182) | 0.031 (0.035–0.036) |
Peru_DCE | VT | 0.072 (0.073–0.075) | 0.047 (0.040–0.049) | 0.098 (0.087–0.113) | 0.010 (0.010–0.011) |
Poland | VT | 0.081 (0.064–0.113) | 0.024 (0.016–0.025) | 0.140 (0.118–0.156) | 0.023 (0.015–0.042) |
Portugal | VT | 0.092 (0.093–0.104) | 0.051 (0.043–0.054) | 0.134 (0.123–0.147) | 0.018 (0.018–0.023) |
SouthKorea | VT | 0.070 (0.061–0.071) | 0.050 (0.044–0.050) | 0.090 (0.083–0.101) | 0.009 (0.007–0.009) |
Spain | VT | 0.099 (0.091–0.102) | 0.076 (0.072–0.094) | 0.122 (0.104–0.127) | 0.018 (0.016–0.018) |
Sweden | VT | 0.063 (0.062–0.082) | 0.045 (0.033–0.048) | 0.082 (0.075–0.084) | 0.008 (0.007–0.012) |
Taiwan | VT | 0.140 (0.118–0.158) | 0.105 (0.093–0.105) | 0.176 (0.159–0.205) | 0.035 (0.025–0.039) |
Thailand | VT | 0.089 (0.074–0.087) | 0.060 (0.056–0.076) | 0.119 (0.112–0.144) | 0.015 (0.011–0.015) |
Uruguay | VT | 0.066 (0.060–0.072) | 0.029 (0.024–0.030) | 0.104 (0.101–0.122) | 0.011 (0.008–0.012) |
USA | VT | 0.114 (0.110–0.125) | 0.077 (0.067–0.083) | 0.152 (0.135–0.148) | 0.024 (0.022–0.026) |
Vietnam | VT | 0.095 (0.090–0.110) | 0.071 (0.058–0.069) | 0.121 (0.122–0.133) | 0.017 (0.016–0.021) |
Denmark | CW | 0.094 (0.090–0.102) | 0.061 (0.062–0.069) | 0.127 (0.112–0.144) | 0.021 (0.018–0.025) |
France | CW | 0.121 (0.102–0.130) | 0.092 (0.093–0.097) | 0.150 (0.130–0.156) | 0.023 (0.020–0.025) |
Germany | CW | 0.082 (0.080–0.091) | 0.033 (0.038–0.045) | 0.131 (0.130–0.154) | 0.018 (0.015–0.021) |
Japan | CW | 0.072 (0.061–0.072) | 0.072 (0.067–0.078) | 0.073 (0.060–0.075) | 0.012 (0.008–0.012) |
Netherlands | CW | 0.098 (0.085–0.114) | 0.068 (0.060–0.085) | 0.129 (0.113–0.135) | 0.020 (0.016–0.028) |
Russia | CW | 0.080 (0.072–0.096) | 0.038 (0.037–0.048) | 0.123 (0.103–0.130) | 0.019 (0.014–0.031) |
Spain | CW | 0.110 (0.093–0.112) | 0.062 (0.051–0.066) | 0.159 (0.156–0.159) | 0.025 (0.020–0.027) |
Thailand | CW | 0.099 (0.088–0.109) | 0.081 (0.081–0.086) | 0.118 (0.097–0.132) | 0.019 (0.016–0.022) |
UK | CW | 0.106 (0.096–0.117) | 0.064 (0.047–0.079) | 0.148 (0.120–0.157) | 0.024 (0.020–0.025) |
USA | CW | 0.076 (0.074–0.079) | 0.048 (0.040–0.064) | 0.104 (0.098–0.128) | 0.012 (0.012–0.013) |
Zimbabwe | CW | 0.064 (0.059–0.067) | 0.037 (0.033–0.040) | 0.092 (0.073–0.090) | 0.009 (0.007–0.010) |
Mean | 0.098 | 0.063 | 0.133 | 0.02 | |
SD | 0.022 | 0.022 | 0.03 | 0.008 | |
Min | 0.063 | 0.024 | 0.073 | 0.008 | |
Max | 0.142 | 0.11 | 0.197 | 0.042 |