Fig. 1From: Acupuncture decreased the risk of coronary heart disease in patients with rheumatoid arthritis in Taiwan: a Nationwide propensity score-matched studyStudy population flowchart diagram. Using the inclusion and exclusion criteria, we identified 10,199 patients who underwent acupuncture and 19,542 patients who never underwent acupuncture. After performing 1:1 propensity score matching, there were 9932 patients in the acupuncture and no-acupuncture cohortsBack to article page