[Retracted] Effect of Chronic Heart Failure Complicated with Type 2 Diabetes Mellitus on Cognitive Function in the Elderly

Table 3

Comparison of MMSE score and MoCA score (x ± s, points).

Group	n	MMSE score		MoCA score
		Before operation	After operation	Before operation	After operation
A group	306	22.65 ± 0.13	27.96 ± 0.46	22.80 ± 3.70	28.48 ± 5.53
B group	337	22.64 ± 0.19	26.75 ± 0.39	22.95 ± 2.86	27.52 ± 4.89
t		0.771	36.076	0.578	2.336
value		0.441	＜0.001	0.563	0.020