Table 2

- Quality of life (QoL) evaluated by Seattle Angina Questionnaire score.

	EECP group (n=41)	Control group (n=42)	P-value
Physical limitation
baseline	34.34 ± 6.84	33.71 ± 6.71	0.674
4 weeks	42.65 ± 7.24^*^{^†}	35.59 ± 7.61	0.000
Angina stability
baseline	32.85 ± 6.61	33.61 ± 6.08	0.585
4 weeks	43.90 ± 6.34^*^{^†}	36.35 ± 5.77^{^†}	0.000
Angina frequency
baseline	37.17 ± 5.67	37.59 ± 5.99	0.741
4 weeks	47.53 ± 6.51^*^{^†}	42.01 ± 5.29^{^†}	0.000
Treatment satisfaction
baseline	43.95 ± 6.57	44.19 ± 7.05	0.873
4 weeks	55.43 ± 6.81^*^{^†}	48.78 ± 8.38^{^†}	0.000
Disease perception
baseline	29.73 ± 4.84	28.47 ± 6.42	0.319
4 weeks	43.39 ± 5.94^*^{^†}	32.76 ± 6.73^{^†}	0.000

EECP: enhanced external counterpulsation

↵* P<0.05 compared with control,
↵^† P<0.05 compared with baseline.