Fig. 1From: Acupuncture decreased the risk of coronary heart disease in patients with fibromyalgia in Taiwan: a nationwide matched cohort studyStudy population flowchart. After the exclusion process, we identified 158,425 patients with fibromyalgia newly diagnosed between 2000 and 2010. After matching 1:1 by sex, age, comorbidities, and drugs used, the acupuncture cohort and no-acupuncture cohorts each contained 58,899 patients. LHID 2000 Longitudinal Health Insurance Database 2000, NHI National Health InsuranceBack to article page