Table 4:
Probability of Cataract | Strategy | Cost ($) | Effectiveness (QALYs) | Incremental Cost ($) | Incremental Effectiveness (QALYs) | Incremental Cost-Effectiveness Ratio ($/QALY) |
---|---|---|---|---|---|---|
0 | CTAP | 147,110 | 13.81 | 0 | 0 | |
0 | TCD | 154,719 | 13.62 | 7608.40 | −0.20 | Dominated |
0.2 | CTAP | 147,625 | 13.80 | 0 | 0 | |
0.2 | TCD | 154,719 | 13.62 | 7094.12 | −0.18 | Dominated |
0.4 | CTAP | 148,139 | 13.78 | 0 | 0 | |
0.4 | TCD | 154,719 | 13.62 | 6579.84 | −0.17 | Dominated |
0.6 | CTAP | 148,653 | 13.77 | 0 | 0 | |
0.6 | TCD | 154,719 | 13.62 | 6065.56 | −0.15 | Dominated |
0.8 | CTAP | 149,168 | 13.75 | 0 | 0 | |
0.8 | TCD | 154,719 | 13.62 | 5551.28 | −0.13 | Dominated |
1 | CTAP | 149,682 | 13.73 | 0 | 0 | |
1 | TCD | 154,719 | 13.62 | 5037.00 | −0.12 | Dominated |
In a 1-way sensitivity analysis, CTAP remained the optimal strategy when varying the probability of cataract from 0.0 to 1.0.