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

Table 5

Comparison of hospital stay and hospitalization costs between the two groups (x̅ ± s).

Group	Number of subjects	ICU length of stay (d)	Total hospital stay (d)	Hospital costs (ten thousand yuan)
Control group	40	2.86 ± 1.32	15.74 ± 4.59	12.06 ± 1.43
Study group	40	2.44 ± 1.25	13.26 ± 3.83	9.98 ± 1.69
t-value		1.461	2.624	5.942
-value		0.148	0.011	<0.001