Figure 5From: Risk factors for pulmonary tuberculosis in patients with chronic obstructive airway disease in Taiwan: a nationwide cohort study Hazard ratios for developing tuberculosis. Hazards ratio (marked circle) and its 95% confidence interval (horizontal error lines) of each independent risk factor for developing active tuberculosis (TB) among cases of chronic obstructive pulmonary disease (COPD) selected under different scenarios.Back to article page