Table 35:
Utilities Used in the Economic Model, Cluster Headache
| Parameter | Mean EQ-5D index scorea | Distribution | Reference |
|---|---|---|---|
| Baseline utility for people with cluster headache | 0.548 (SE 0.082) | Lognormal | Pietzsch et al, 201595 |
| Change in EQ-5D-3L Index score from baseline to end of randomized phase (4 weeks), standard care alone | -0.049 | Fixed | Gaul et al, 201653 (PREVA) |
| Difference in utility between the 2 arms at 4 wk | 0.194 (95% CI 0.054-0.334) | Lognormal | Gaul et al, 201653 (PREVA) |
Abbreviations: CI, confidence interval; nVNS, noninvasive vagus nerve stimulation; SE, standard error.
a
For distributions where the 95% confidence interval was not reported, we assumed that the standard error was 15% of the mean.