Fig. 2

Network graph of the outcomes. A Clinical effectiveness rate (CER). B Left ventricular ejection fraction (LVEF). C Left ventricular end-diastolic dimension (LVEDD). D Six-minute walk test (6MWT). E Brain natriuretic peptide (BNP). F Cardiac output (CO). Abbreviations: QLQX, Qili Qiangxin capsule; WX, Wenxin granule; TXL, Tongxinluo capsule; QSYQ, Qishen Yiqi dropping pill; SXBX, Shexiang Baoxin pill; YXST, Yangxinshi tablet; YXSC, Yixinshu capsule; GTTL, Getong Tongluo capsule; CAM, complementary and alternative medicine