Comparison of Symptoms and Signs of Blood Stasis Syndrome in Coronary Heart Disease by Different Quantitative Diagnosese
不同计量诊断对于冠心病血瘀证症状体征分析比较

This study aimed to explore the identification of symptoms and signs of blood stasis syndrome(BSS) in diagonosing coronary heart disease (CHD) by different quantitative methods. The factor analysis and the regression analysis were adopted to select the relatively important items for CHD diagnosis. The items selected by the step by step regression analysis included angina, palpitation, oppression in chest, fatigue and inability, black lip, coarseness in skin, black skin around eye, palms and soles, petechia in tongue, purple and dark tongue, petechia in tongue, varicose veins in tongue, and stringy pulse. The items selected by the factor analysis included purple and dark tongue, varicose veins in tongue, acerbity pulse, coarseness in skin, black gingival, petechia in tongue, petechia in skin, black skin around eyes, palms and soles, weight loss, angina, dizziness, black lip, and black complexion. The results showed that different quantitative methods may be used to select different items in different aspects, which helps to distinguish BSS from non-BSS in CHD diagnosis.