Effect of nursing intervention based on Maslow's hierarchy of needs in patients with coronary heart disease interventional surgery

Table 3 Comparison of anxiety and depression scores between two groups (mean ± SD)

Group	Number	SAS	SDS
Before intervention
Research	47	58.31 ± 5.08	60.56 ± 6.62
Control	47	59.92 ± 5.64	61.89 ± 7.01
t		1.454	0.946
P value		0.149	0.347
After intervention
Research	47	43.64 ± 4.89	45.60 ± 5.44
Control	47	48.59 ± 5.33	51.31 ± 6.07
t		4.706	4.803
P value		< 0.001	< 0.001

SAS: Anxiety; SDS: Depression.