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Table 2 Chart review: Patient demographics and clinical characteristics of patients with MS by race-ethnicity

From: Multiple sclerosis in a multi-ethnic population from Northern California: a retrospective analysis, 2010–2016

 Total
N = 200
Non-Hispanic White
n = 50
Non-Hispanic
Asian
n = 50
Non-Hispanic
Black
n = 50
Hispanic
n = 50
Women, n (%)164 (82.0)41 (82.0)35 (70.0)44 (88.0)44 (88.0)
Mean age at onset, years ± SD36.7 ± 12.034.6 ± 9.236.1 ± 11.838.5 ± 13.537.8 ± 12.9
MS duration, years ± SD10.0 ± 10.914.8 ± 10.67.6 ± 8.310.2 ± 11.87.6 ± 11.2
MS phenotype, n (%)
 Relapse remitting102 (51.0)26 (52.0)31 (62.0)19 (38.0)26 (52.0)
 Secondary progressive34 (17.0)9 (18.0)8 (16.0)9 (18.0)8 (16.0)
 Primary progressive9 (4.5)2 (4.0)0 (0)5 (10.0)2 (4.0)
 Progressive relapsing4 (2.0)0 (0)0 (0)3 (6.0)1 (2.0)
 Unspecified46 (23.2)12 (24.0)10 (20.0)14 (28.0)10 (20.0)
 Missing5 (2.5)1 (2.0)1 (2.0)0 (0)3 (6.0)
  1. MS multiple sclerosis, SD standard definition