Table 12:
Response to Treatment, nVNS vs. Standard of Care, Prevention, Cluster Headache
| Author, year (study) | Participants, nVNS/control, n | Response to treatment, n (%)a | RR (95% CI) | |
|---|---|---|---|---|
| nVNS | Control | |||
| Gaul et al, 201653 (PREVA) | 45/48 | 18 (40) | 4 (8.3) | 4.8 (1.76—13.10)b |
Abbreviations: CI, confidence interval; nVNS, noninvasive vagus nerve stimulation; RR, relative risk; SE, standard error.
a
Response was defined as the proportion of people with a reduction of 50% or greater in the mean number of cluster headache attacks per week.
b
Calculated based on data provided in the study.