Research Article

Chinese Herbal Medicine as an Adjunctive Therapy Ameliorated the Incidence of Chronic Hepatitis in Patients with Breast Cancer: A Nationwide Population-Based Cohort Study

Figure 1

Study population flowchart diagram. Of the total amount of breast cancer patients registered in the NHIRD (), 93387 patients with breast cancer were diagnosed within the years 1997–2010. After excluding patients with missing information as well as matching 1 : 1 by age, CCI score, treatment, and diagnosis of initial breast cancer, both groups contained 6928 patients.