Table 5. Independent risk factors for developing COPD in pulmonary tuberculosis (TB) patients (n = 3176), by Cox proportional hazards regression analysis.

	p value	Hazard ratio (95% CI)
Age	<0.001	1.036 (1.028–1.044)
Male	<0.001	1.812 (1.333–2.462)
Diabetes mellitus	0.003	0.587 (0.411–0.838)
Delay in anti-TB treatment (days)	<0.001	1.005 (1.003–1.007)