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

Table 4

Comparison of HAMA score and HAMD score (x ± s, points).

Group	n	Before operation		After operation
		HAMA score	HAMD score	HAMA score	HAMD score
A group	306	24.69 ± 5.03	25.36 ± 5.69	17.03 ± 5.36	21.50 ± 6.36
B group	337	24.34 ± 0.19	26.75 ± 0.39	16.95 ± 2.86	20.52 ± 4.89
t		1.276	4.473	2.142	2.201
value		0.202	＜0.001	0.153	0.028