Characteristics of sALS and control subjects used for global 5mC and 5 HmC in whole blood.

(a)median (range);(b)mean ± standard deviation;(c)some patients presented more than one condition; NS, not significant; ‘–‘, value not available.(a) 中位数（极差）；(b) 平均值±标准差；(c) 部分患者可存在多种病症；NS：无统计学显著性（not significant）；‘–’表示数据不可用。