Table 3.

Multivariate meta-regression analysis of the prevalence for malnutrition in patients with PTB.

Covariates	Coef.	Std. err.	t	P	95% Conf. interval
Publication year	−0.005	0.004	−1.16	0.254	−0.013	0.004
Simple size	−0.265a	0.129a	−2.05	0.046	−0.526a	−0.004a
Study design
Cross–sectional study	−0.009	0.051	−0.17	0.866	−0.112	0.095
Study quality	−0.014	0.027	−0.52	0.605	−0.068	0.040
Region
Africa	0.295	0.174	1.69	0.098	−0.056	0.645
Asia	0.298	0.176	1.70	0.097	−0.056	0.653
America	−0.003	0.193	−0.01	0.989	−0.392	0.386

^aOriginal data × 10000.