Table 1 Demographic Characteristics of n=70 patients in the analysed period

Female: male

58:12 (females 83% - males 17%)

Mean age at the visit

14.2 ± 2.4

Mean age at migraine onset

11.2 ± 3.2

Mean age at chronification onset

13.6 ± 2.3

High- frequency migraine before chronification (%)

n = 61 (87%)

Preventative treatment before chronification (%)

n = 20 (28.5%)

Acute Medication tried before (%)

Paracetamol n = 41 (58.6%)

NSAIDs n = 56 (80%)

Triptan n = 1 (1.4%)

Responder vs. Non Responder Baseline (%)

n = 19/70 vs. n = 51/70 (27% vs. 73%)

Responder vs. Non Responder After preventive (%)

n = 41/58 vs. n = 17/58 (71.4% vs. 28.6%)

MOH

MOH in Responder vs. Non Responder %

n = 19/70 (27.1%)

22% vs. 27%

Neuropsychiatric comorbidities

Neuropsychiatric comorbidities in Responder vs. Non Responder %

n = 48/70 (69%)

72.2% vs. 67.3%