Table 20:
Pain Freedom After First Treated Attack, nVNS vs. Control, Acute Treatment, Migraine
| Author, year (study) | Time, min | Participants, nVNS/control, n | Pain freedom, %a | RR (95% CI)b | |
|---|---|---|---|---|---|
| nVNS | Control | ||||
| Tassorelli et al, 201855 (PRESTO) | 120 | 120/123 | 30 | 21.1 | 1.42 (0.92-2.20) |
| 60 | 20.8 | 12.1 | 1.71 (0.95-3.08) | ||
| 30 | 15 | 5.7 | 2.64 (1.14-6.08) | ||
Abbreviations: CI, confidence interval; nVNS, noninvasive vagus nerve stimulation; RR, relative risk.
a
Percent estimates may not match those reported by the study due to the use of unadjusted data.
b
Calculated from unadjusted data provided in the study.