Table 10:
Rescue Medication Use in the First Hour After Treatment, nVNS vs. Control, Acute Treatment, Cluster Headache
| Author, year (study) | Subtype | Participants, nVNS/control, n | Acute medication use, % | RR (95% CI)a | P a | |
|---|---|---|---|---|---|---|
| nVNS | Control | |||||
| Silberstein et al, 201651 (ACT1) | Overall | 60/73 | 38.3 | 50.7 | 0.76 (0.51-1.12) | .16 |
| Episodic | 38/47 | 42.1 | 48.9 | 0.86 (0.54-1.38) | .53 | |
| Chronic | 22/26 | 31.8 | 53.9 | 0.59 (0.29-1.20) | .15 | |
Abbreviations: CI, confidence interval; nVNS, noninvasive vagus nerve stimulation, RR, relative risk.
Calculated from data provided in study.