Demographic and clinical characteristics of patients and control subjects.

*Values are means ± standard deviation (SD).CDMS = clinically definite multiple sclerosis;CIS = clinically isolated syndrome;OND = other neurological disease;n = number;W/M = women/men;EDSS = Expanded Disability Status Scale.

* 数据以均值±标准差（standard deviation, SD）表示。CDMS = 临床确诊多发性硬化（clinically definite multiple sclerosis）；CIS = 临床孤立综合征（clinically isolated syndrome）；OND = 其他神经系统疾病（other neurological disease）；n = 样本量（number）；W/M = 女/男（women/men）；EDSS = 扩展残疾状态量表（Expanded Disability Status Scale）。