Table 3.

Meta-analysis of the association of TGF-β1 levels with T2DN risk in Chinese population

Contrasts	Studies number	Q test P value	Model selected	MD (95% CI)	P
DM vs. Control	38	<0.00001	Random	17.30(12.69,21.92)	<0.00001
DN vs. Control	44	<0.00001	Random	70.03 (60.81,79.26)	<0.00001
DM vs. DN	37	<0.00001	Random	56.18 (46.96,65.39)	<0.00001
Microalbuminuria VS. Normoalbuminuria	26	<0.00001	Random	22.78(16.88,28.68)	<0.00001
Macroalbuminuria VS. Microalbuminuria	24	<0.00001	Random	28.47 (21.28,35.66)	<0.00001