Review Article

Systemic Review and Meta-Analysis of the Clinical Efficacy and Adverse Effects of Zhengqing Fengtongning Combined with Methotrexate in Rheumatoid Arthritis

Figure 7

Analysis of duration of morning stiffness of ZQFTN combined with MTX and MTX only for the treatment of RA ((1) study, first name of the first author, publishing year, and the number of studies; (2) experimental: the group of MTX combined with ZQFTN; control: the group of MTX only; (3) -squared and are the criterion of heterogeneity test; ◆: pooled relative risk; -■-: relative risk and 95 confidence interval).