Table 38:
Clinical Parameters Used in the Economic Model, Migraine
| Clinical parameter | Meana | Distribution | Reference |
|---|---|---|---|
| Baseline monthly migraine days | 8.0 (SE 0.16) | Normal | Average between treatment arms, Diener et al, 201957 (PREMIUM) |
| Mean change in monthly migraine days, standard care | -1.80 (95% CI -2.32 to -1.27) | Normal | Diener et al, 201957 (PREMIUM); Table 25 of clinical evidence review |
| Mean change in monthly migraine days, nVNS in addition to standard care | -2.26 (95% CI -2.81 to -1.72) | Normal | Diener et al, 201957 (PREMIUM); Table 25 of clinical evidence review |
| Baseline number of acute medication days per month | 6.9 (SE 0.15) | Normal | Average between treatment arms, Diener et al, 201957 (PREMIUM) |
| Mean change in days of acute medication use, standard care | -1.35 (95% CI -1.91 to -0.79) | Normal | Diener et al, 201957 (PREMIUM); Table 29 of clinical evidence review |
| Mean change in days of acute medication use, nVNS in addition to standard care | -1.9 (95% CI -2.47 to -1.32) | Normal | Diener et al, 201957 (PREMIUM); Table 29 of clinical evidence review |
Abbreviations: CI, confidence interval; nVNS, noninvasive vagus nerve stimulation; SE, standard error.