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Table 1 Clinical and demographic characteristics of the study patients

From: The epidemiology of multiple sclerosis in the entre Douro e Vouga region of northern Portugal: a multisource population-based study

  CIS (n = 16) RR (n = 104) SP (n = 36) PP (n = 21) Total sample (n = 177)
Age, mean (SD), years 35.5 (7.6) 41.9 (11.7) 54.2 (10.3) 54.2 (10.2) 44.5 (11.9)
Sex ratio (female/male) 2.0 1.9 1.4 1.2 1.9
Age at onset, mean (SD), years 32.4 (6.0) 31.4 (10.0) 35.0 (10.7) 42.9 (9.2) 33.5 (10.3)
Disease duration, mean (SD), years 4.5 (3.9) 10.8 (6.8) 16.7 (9.5) 11.7 (7.1) 11.5 (7.9)
EDSS, median (IQR) 1.0 [0.0; 2.0] 2.0 [1.0; 3.0] 5.0 [4.0; 6.5] 6.5 [5.5; 7.5] 2.0 [1.0; 6.0]
  1. CIS clinically isolated syndrome; RR relapsing remitting; SP secondary progressive; PP primary progressive; SD standard deviation; IQR interquartile range EDSS expanded disability status scale