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Table 1 Abortive medication use during the last 14 days of the PREVA randomised phase

From: Cost-effectiveness analysis of non-invasive vagus nerve stimulation for the treatment of chronic cluster headache

Abortive medication No. of uses, mean (SD)
nVNS + SoC (n = 45) SoC alone (n = 48)
IN zolmitriptan 1.6 (5.5) 1.3 (3.6)
SC sumatriptan 2.8 (4.0) 7.5 (9.6)
Inhaled oxygen 6.5 (11.1) 10.8 (15.3)
  1. Abbreviations: IN intranasal, nVNS non-invasive vagus nerve stimulation, SC subcutaneous, SD standard deviation, SoC standard of care