Variables | Hypothetical decision tree | ||||||
---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | 7 | |
EQ-5D index scores when the drug was effective (success) | |||||||
Drug A | 0.900 | 0.951 | 0.916 | 0.967 | 0.935 | 0.928 | 0.981 |
Drug B | 0.800 | 0.851 | 0.816 | 0.867 | 0.835 | 0.828 | 0.881 |
EQ-5D index scores when the drug was not effective (failure) | |||||||
Drug A | 0.500 | 0.551 | 0.516 | 0.567 | 0.535 | 0.528 | 0.581 |
Drug B | 0.400 | 0.451 | 0.416 | 0.467 | 0.435 | 0.428 | 0.481 |
QALY | |||||||
Drug A | 6.40 | 6.81 | 6.53 | 6.94 | 6.68 | 6.62 | 7.05 |
Drug B | 4.00 | 4.31 | 4.10 | 4.40 | 4.21 | 4.17 | 4.49 |
Incremental cost (Baht) | 300,000 | 300,000 | 300,000 | 300,000 | 300,000 | 300,000 | 300,000 |
Incremental QALY | 2.40 | 2.50 | 2.43 | 2.54 | 2.47 | 2.45 | 2.56 |
ICUR (Baht/QALY) | 125,000 | 119,904 | 123,457 | 118,110 | 121,457 | 122,150 | 117,096 |
% Difference in ICUR from base case (Decision tree 1) | - | 4.08 | 1.23 | 5.51 | 2.83 | 2.28 | 6.32 |