LSDMS

AcronymDefinition
LSDMSLaboratory Supported Definite Multiple Sclerosis
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Number of cases, n (%) Total 1617 Male 512 (32) Female 1105 (68) F/M 2.2 Diagnosis using Poser, n (%) CDMS 60 (4) CDMS + paraclinical 1223 (75) LSDMS 75 (5) LSDMS + paraclinical 259 (16) Age, years At onset, median 32 At the time of diagnosis, median 37 Diagnostic delay, years Mean 4.6 Median 2.0 First symptoms by anatomic level, % Brainstem/cerebellum 25 Visual tract 22 Sensory 22 Medullary 19 Pyramidal tract above medulla 5 Other/UN 4 Multiple 3 Table 2: Paraclinical test results among cases with definite MS diagnosis by 10-year periods from 1981-2010.