Table 1.

Effect of metformin on oxidative stress in patients with acute stroke complicated with type 2 diabetes (n=40).

Group	MMSE score		NIHSS score		ADL score
	Before treatment	After treatment	Before treatment	After treatment	Before treatment	After treatment
Metformin combination treatment group	22.18±1.93	25.16±2.16ab	19.66±8.48	7.4±4.72ab	26.45±9.19	63.86±12.20ab
Insulin group	22.21±1.96	23.15±1.95a	19.72±7.92	10.6±5.62a	26.82±10.28	44.15±13.27a
t value	0.687	8.116	0.839	6.525	0.718	8.382
P value	0.465	<0.001	0.341	<0.001	0.432	<0.001

^aCompared with before treatment, P<0.05, the difference was statistically significant;

^bcompared with the control group, P<0.05, the difference was statistically significant.