1.4. Analysis.

Comparison 1 Capsaicin versus placebo, Outcome 4 Daily record chart symptom resolution at 4 weeks post‐treatment (capsaicin 1 μg/puff versus placebo).

Comparison 1 Capsaicin versus placebo, Outcome 4 Daily record chart symptom resolution at 4 weeks post‐treatment (capsaicin 1 μg/puff versus placebo).