The reliability of specific primary progressive MS criteria in an ethnically diverse population.

Unlabelled: Three different diagnostic criteria for primary progressive MS were recently proposed for Caucasian population of Western European region.

Objective: The objective of the study was to apply these criteria to a series of Brazilian patients with high ethnic diversity background to evaluate reproducibility and reliability.

Methods: 52 patients classified as form of the disease that is progressive from onset and followed between 2000 and 2006 were included.