Table 4.

The pooled results of the serum MIF levels in PTB patients compared with healthy controls.

	Samples (patients/controls)	Number of studies	SMD1	95%CI2	P	I2	Model
Overall	587/496	8	1.85	0.62–3.09	0.003	98.3	Random
Asian	535/425	6	2.46	0.96–3.96	0.001	98.5	Random
African	52/71	2	0.02	−0.34–0.38	0.921	0	Fixed
High quality	174/192	5	0.84	0.17–1.52	0.014	89.1	Random

¹standardized mean difference and ²confidence interval.