Fig. 4
From: Age–period–cohort analysis of pulmonary tuberculosis reported incidence, China, 2006–2020
Period effects of reported incidence of pulmonary tuberculosis in the mainland of China during the three study periods. The “black dot” represents the relative risk (RR) values. The vertical line represents the invalid line whose RR value is 1. The “horizontal line” represents 95% CI of RR value, and crossing the “vertical line” indicates no statistical difference