Elect TCM symptoms and physical signs having more groups with statistical significance in multiple comparison, namely TCM symptoms and physical signs having better discrimination, and make out discriminant function of TCM syndromes.

• 选择在不同证候的两两比较中，差别有统计学意义的组数较多的症状、体征，即对中医证候有较好鉴别作用的症状、体征，应用判别分析的方法对其进行逐步判别分析，建立中医证候判别函数；