Skip to main content
. 2017 Mar 24;26(7):1785–1798. doi: 10.1007/s11136-017-1519-3

Table 5.

Time trade-off (TTO) utility scores (N = 208)

Health statesa Mean utilityb SD 95% CI Disutilities: difference from health state 1
Mean SD
 1. Basic health state (HIV) 0.862 0.144 0.842–0.881
Basic health state plus ART risks
 2. Risk of renal problems 0.844 0.149 0.824–0.864 0.018 0.043
 3. Risk of bone problems 0.836 0.157 0.815–0.858 0.025 0.078
 4. Risk of cardiovascular problems 0.813 0.158 0.792–0.835 0.049 0.084
Basic health state plus other medical conditions
 5. Stage 3 CKD 0.797 0.175 0.773–0.821 0.065 0.102
 6. Stage 4 CKD 0.672 0.279 0.634–0.710 0.189 0.232
 7. Stage 5 CKD 0.266 0.447 0.205–0.327 0.596 0.440
 8. Post-myocardial infarction 0.805 0.165 0.782–0.827 0.057 0.091

ART antiretroviral treatment, CKD chronic kidney disease

aHealth states 2 to 8 include the basic health state, plus an additional risk (in health states 2–4) or medical condition (in health states 5 to 8)

bTTO scores are on a scale anchored with 0 representing dead and 1 representing full health