“…In a retrospective chart review of 700 ED visits for physician-diagnosed pediatric migraine, discharge from the ED after first-line intervention was more likely if patients received intravenous as compared to oral medication and for patients with lower baseline pain scores. 11 Given the nature of these data, the investigators were not able to assess whether or not baseline migraine frequency, migraine type, or presence of medication-overuse headache were associated with the probability of successful firstline interventions, and the ICHD criteria were not used for case ascertainment. In our study, headache severity at presentation was also inversely related to first-line treatment success in a simple logistic regression model, but this association did not remain significant after controlling for age, sex, and diagnosis.…”