Fig. 4
From: Trends in the disease burden of anxiety disorders in middle-aged and older adults in China
Period rate ratios (RR) of the incidence of and disability-adjusted life years (DALY) rate for anxiety disorders in middle-aged and older adults in China. a incidence, (b) DALY rate. The ratio of age-specific rates in each period relative to reference period (2000–2004) and the corresponding 95% confidence intervals. The black dash lines indicate an RR = 1