Table 4. Univariate and multivariate logistic regression analysis of predictors associated with concomitant pulmonary tuberculosis in hospitalized HCAP and CAP patients^a.

	CAP patients				HCAP patients
	Univariate		Multivariate		Univariate		Multivariate
	OR (95% CI)	P value	OR (95% CI)	P value	OR (95% CI)	P value	OR (95% CI)	P value
Age	1.01 (0.98–1.03)	0.65			1.04 (1.003–1.086)	0.034
Male gender	2.89 (0.86–9.74)	0.07			1.32 (0.48–3.64)	0.60
Previous anti-TB treatment	3.66 (1.21–11.1)	0.015	3.33 (1.09–10.22)	0.035	7.28 (2.49–21.3)	<0.001	5.84 (2.29–20.37)	0.001
Malignancy	2.82 (1.03–7.72)	0.036			1.43 (0.59–3.44)	0.42
Upper lobe involvement	0.82 (0.35–1.93)	0.65			1.31 (0.55–3.11)	0.55
PSI score	1.01 (1.002–1.027)	0.033	1.013 (1.001–1.026)	0.038	1.015 (1.003–1.026)	0.015	1.014 (1.002–1.026)	0.023

^aUnivariate and multivariate OR are derived from logistic regression analysis with stepwise selection procedure.

HCAP, healthcare-associated pneumonia; CAP, community acquired pneumonia; TB, tuberculosis; OR, odds ratio; CI, confidence interval.