Characteristics of study subjects.

aMean and SD are indicated, if applicable.bPercentage of the subjects who drink lactic acid bacteria-containing beverage once a week or more.cUPDRS scores were obtained during the on-phase at the outpatient clinic.Statistical difference is examined with the Fisher’s exact testd or the Student’s t-teste. n.s., not significant.Characteristics of study subjects.

a. 若适用，将报告平均值与标准差（Standard Deviation, SD）。
b. 每周饮用含乳酸菌饮料一次及以上的受试者所占比例。
c. 统一帕金森病评定量表（Unified Parkinson's Disease Rating Scale, UPDRS）得分采集于门诊的运动症状开启期，统计差异采用费希尔精确检验或学生t检验进行分析。
n.s. 表示无统计学意义。
研究受试者的特征。