Table 4:
Proportion of People With Sustained Treatment Response After First Attack, nVNS vs. Control, Acute Treatment, Cluster Headache
| Author, year (study) | Participants, nVNS/control, n | Sustained treatment response, %a | RR (95% CI)b | P | |
|---|---|---|---|---|---|
| nVNS | Control | ||||
| Silberstein et al, 201651 (ACT1) | 60/73 | 26.7 | 12.3 | 2.16 (1.03-4.54) | .04 |
Abbreviations: CI, confidence interval; nVNS, noninvasive vagus nerve stimulation; RR, relative risk.
Pain score of 0 or 1 without rescue medication use at 15 to 60 minutes after treatment initiation for the first treated cluster headache attack.
Calculated from data provided in the publication.