Effects of systematic cardiac rehabilitation training in elderly patients with unstable angina following cardiac stent implantation

Table 3 Comparison of Seattle Angina Questionnaire scores between the two groups (mean ± SD, points)

		Rehabilitation group	Conventional group	t	P value
The limitation of physical activity	Before the intervention	34.06 ± 4.55	33.76 ± 5.21	0.317	0.752
	After the intervention	44.84 ± 4.97a	40.87 ± 4.71a	4.240	0.000
Stable state of angina	Before the intervention	35.85 ± 5.22	37.85 ± 6.90	-1.693	0.093
	After the intervention	49.14 ± 5.87a	44.96 ± 6.46a	3.504	0.001
Frequency of angina attacks	Before the intervention	27.48 ± 6.02	27.58 ± 5.79	-0.088	0.930
	After the intervention	45.39 ± 6.03a	44.44 ± 5.31a	0.864	0.389
Degree of treatment satisfaction	Before the intervention	49.07 ± 6.36	50.71 ± 7.49	-1.222	0.225
	After the intervention	68.45 ± 7.23a	63.13 ± 5.91a	4.163	0.000
Awareness of disease	Before the intervention	29.81 ± 5.33	30.45 ± 6.19	-0.573	0.568
	After the intervention	43.05 ± 5.83a	42.06 ± 6.19a	0.852	0.396

^aP < 0.05 when compared with the group before intervention.