Effect of Early Exercise Rehabilitation on Cardiopulmonary Function and Quality of Life in Patients after Coronary Artery Bypass Grafting

Table 1

Comparison of general data between the two groups.

Group	Number of subjects	Gender (case)		Age (years, x̅ ± s)	NYHA classification (case)			Smoking (case)
		Male	Female		Grade II	Grade III	Grade IV	Yes	No
Control group	40	29	11	63.58 ± 8.14	25	15	0	10	30
Study group	40	28	12	64.06 ± 7.93	23	16	1	13	27
Χ^2/t-value		0.061		0.231	0.530			0.549
-value		0.805		0.818	0.596			0.459