Research Article

Chinese Herbal Formula Xuefu Zhuyu for Stable Angina (CheruSA): Study Protocol for a Multicenter Randomized Controlled Trial

Figure 1

Flow diagram. SA: stable angina, CHD: coronary heart disease, VSA: visual analogue scale, CCS : Canadian Cardiovascular Society, CM : Chinese medicine, SAQ : Seattle Angina Questionnaire, EQ-5D-5 L : EuroQol-5-Dimensions-5-Level, MACEs: major adverse cardiac events, AEs: adverse events.