n the SPr group, 39.6% of subjects experienced 2-hour headache-free response (primary outcome), which was significantly more effective than SP treatment (26.3%, odds ratio: 1.83, 95% confidence interval: 1.03–3.26, P = .038).
n the SPr group, 39.6%of subjects experienced 2-hour headache-free response (primary outcome), which was significantly more effective than SPtreatment (26.3%, odds ratio: 1.83, 95% confidence interval: 1.03–3.26, P = .038).