Table 2.

Comparison of metformin with other drugs on cytokines

Treatment	N	Serum (pg/ml)			Urine (pm/ml)
		IL-6	IL-10	TNF-α	MCP-1
Metformin	54	11.27 ± 2.56	2.50 ± 0.59	11.26 ± 2.14	111.28 ± 21.06
Gliclazide	44	12.24 ± 2.42	2.55 ± 0.69	10.89 ± 2.26	126.42 ± 28.85**
Acarbose	18	12.99 ± 2.73*	2.19 ± 0.74	12.62 ± 3.17*	114.24 ± 22.86
Repaglinide	36	13.02 ± 2.78**	2.56 ± 0.62	11.36 ± 1.98	123.46 ± 14.30**

*P < 0.05

**P < 0.01, vs metformin