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. 2018 Jul 27;10:227. doi: 10.3389/fnagi.2018.00227

Table 3.

Comparison of glucose metabolism parameters before and after treatment between two groups (±s).

	Group	n	Before treatment	One year after treatment	P
Fasting blood glucose (mmol/L)	Metformin	48	7.8 ± 2.2	7.6 ± 2.4	0.671^b
	Acarbose	46	8.1 ± 2.6	7.9 ± 2.7	0.718^b
	P		0.547^a	0.570^a
Fasting insulin (mU/L)	Metformin	48	14.8 ± 5.6	11.9 ± 5.7	0.014^b
	Acarbose	46	14.5 ± 5.7	17.1 ± 5.1	0.023^b
	P		0.797^a	<0.001^a
IR index	Metformin	48	4.7 ± 1.3	4.0 ± 1.1	0.005^b
	Acarbose	46	4.4 ± 1.9	5.0 ± 2.9	0.243^b
	P		0.372^a	0.028^a
HbA1c (%)	Metformin	48	6.9 ± 1.4	6.7 ± 1.2	0.454^b
	Acarbose	46	6.6 ± 1.2	6.8 ± 1.7	0.516^b
	P		0.268^a	0.742^a

IR index, insulin resistance index; HbA1c, hemoglobin A1c. ^aTwo-samplet-test.^bPairedt-test.