Table 3. Logistic multivariate regression analysis for influence factors of malnutrition in patients with PTB.

Variable	Regression coefficient	Standard errors	Wald statistics	P values	OR (95% CI)
Constant term	−21.064	1.135	344.432	<0.001
Age	0.475	0.050	89.090	<0.001	0.622 (0.564, 0.687)
BMI	6.047	0.111	2,975.462	<0.001	0.002 (0.002, 0.003)
DM	0.265	0.100	7.059	0.008	0.767 (0.630, 0.933)
Severe pneumonia	1.091	0.397	7.565	0.006	0.336 (0.154, 0.731)
HIV	1.870	0.584	10.260	0.001	0.154 (0.049, 0.484)
Food intake within a week	1.809	0.088	419.768	<0.001	0.164 (0.138, 0.195)
Lymphocyte absolute count	0.675	0.094	51.864	<0.001	0.509 (0.424, 0.612)
Taking immunosuppressive agents	1.632	0.487	11.247	<0.001	0.195 (0.075, 0.507)
Loss weight	0.343	0.038	81.671	<0.001	0.709 (0.658, 0.764)
dialysis	1.760	0.599	8.626	0.003	0.172 (0.053, 0.557)
Pleural TB	0.375	0.141	7.093	0.008	0.687 (0.521, 0.906)

PTB, pulmonary tuberculosis; OR, odds ratio; CI, confidence interval; BMI, body mass index; DM, diabetes mellitus; HIV, human immunodeficiency virus; TB, tuberculosis.