Research Article

Meta-Analysis of Randomized Controlled Trials on the Efficacy of Di’ao Xinxuekang Capsule and Isosorbide Dinitrate in Treating Angina Pectoris

Table 1

Summary of the included studies evaluating the efficacy of XXK in treating angina pectoris.

StudyNo. of authorsTrail dateSample sizeFollow-up periodComparableAEsOutcome measuresXXK daily dosageISDN daily dosageJadad scoreM score

Zeng et al. [29]603428 days11SYM, ECG6 pills40 mg24
Dai [30]1112028 days00SYM6 pills30 mg22
Hu [31]108428 days11SYM, ECG6 pills30 mg24
Li and Zhang [34]216028 days01SYM6 pills60 mg23
Qu [32]116028 days10SYM, ECG6 pills30 mg23
Shen [33]1113228 days01SYM, ECG6 pills30 mg23
Zhu et al. [35]516028 days10SYM, ECG6 pills30 mg23

XXK is di’ao xinxuekang capsule; ISDN is isosorbide dinitrate; SYM is SYMPTOMS; ECG is electrocardiogram; AEs is adverse events; Numbers 1 and 0 in “Trial date” mean that study reported or did not report the trial date, respectively; Numbers 1 and 0 in “Comparable” mean that the study reported the comparability between the experiment and control groups (1) or the study did not report that (0).