Table 3.
Within-trial cost-effectiveness analysis
| Cost-effectiveness | Costs | QALYs | Inc Costs | Inc QALY | Incremental net health benefit (95% CI) | |||
|---|---|---|---|---|---|---|---|---|
| (95% CI) | (95% CI) | k = £15,000 | k = £20,000 | k = £30,000 | ||||
| [P(most costly)] | [P(most effective)] | (95% CI) | (95% CI) | ICER | [Probability of being cost-effective] | |||
| Dyad | ||||||||
| Services as usual | £1,988.61 | 2.58680 | - | - | - | |||
| (146.79, 2615.43) | (2.54927, 2.62129) | - | - | - | ||||
| [0.037] | [0.06] | 0.640 | 0.512 | 0.332 | ||||
| E-SEE Steps | £2,609.46 | 2.61775 | £620.85 (-103.32, 1288.70) | 0.03095 (-0.00830, 0.07094) | £20,061.02 | -0.01044 | -0.00009 | 0.01025 |
| (2312.07, 2951.04) | (2.60252, 2.6342) | (-0.07207, 0.05246) | (-0.07207, 0.05246) | (-0.036, 0.0574) | ||||
| [0.963] | [0.94] | 0.360 | 0.488 | 0.668 | ||||
| Primary carer | ||||||||
| Services as usual | £942.44 | 1.31392 | - | - | - | |||
| (604.51, 1461.11) | (1.27465, 1.35166) | - | - | - | ||||
| [0.052] | [0.044] | 0.45 | 0.316 | 0.192 | ||||
| E-SEE Steps | £1,388.26 | 1.34818 | £445.82 (-136.90, 890.20) | 0.03427 (-0.00643, 0.07679) | £13,010.68 | 0.004544 | 0.01197 | 0.01940 |
| (1142.31, 1639.19) | (1.33322, 1.36373) | (-0.04636, 0.06414) | (-0.04636, 0.06414) | (-0.0246, 0.06746) | ||||
| [0.948] | [0.956] | 0.550 | 0.684 | 0.808 | ||||
| Child | ||||||||
| Services as usual | £1,000.28 | 1.27420 | - | - | - | |||
| (746.07, 1322.25) | (1.26722, 1.28191) | - | - | - | ||||
| [0.143] | [0.868] | 0.913 | 0.929 | 0.940 | ||||
| E-SEE Steps | £1,177.33 | 1.26957 | £177.05 (-175.88 484.85) | -0.00463 (-0.01333, 0.00331) | Dominated | -0.01644 | -0.01349 | -0.01053 |
| (1034.65, 1340.39) | (1.26629, 1.27261) | (-0.03847, 0.0087) | (-0.03847, 0.0087) | (-0.03847, 0.0087) | ||||
| [0.856] | [0.132] | 0.087 | 0.071 | 0.060 | ||||