Should we still only rely on EDSS to evaluate disability in multiple sclerosis patients? A study of inter and intra rater reliability.

Background: Few studies assessed reliability and inter-rater variability of EDSS and functional parameters (FP) rating.

Objective: To evaluate inter-rater variability and errors in EDSS and FP rating in junior (JN) and MS Neurologists (MSN).

Method: Patients with MS were examined by a JN and a MSN on the same day.