Fig. 4

The prevalence rates of the major chronic diseases of retired military officers and active military officers. Bars indicate the 95% confidence interval (CI) in this plot. * P < 0.05. COPD. Chronic obstructive pulmonary disease
The prevalence rates of the major chronic diseases of retired military officers and active military officers. Bars indicate the 95% confidence interval (CI) in this plot. * P < 0.05. COPD. Chronic obstructive pulmonary disease