Comparison of sociodemographic and neurological parameters in MS-patients with and without headaches.

SD = Standard deviation; MS = Multiple sclerosis; EDSS = Expanded Disability State Score; BDI = Beck's Depression inventory; RRMS = Relapsing/Remitting MS; SCP = Secondary chronic progressive MS; PPMS = Primary chronic progressive MS; CIS = Clinical isolated syndrome. IVIG = intravenous immunoglobulin. NSAR, triptans, combinations, no medication in case of headache treatment. * p<0.05; **: p<0.01, ***: p<0.001.