Table 2.

Early rehabilitation progress

	SR group (n=236)	POAF group (n=66)	P
Data expressed as mean ± standard deviation. ICU: intensive care unit; POAF: postoperative atrial fibrillation; SR: sinus rhythm.
Sitting on edge of bed (days)	1.3 ± 0.9	1.5 ± 1.2	0.176
Standing at bedside (days)	1.6 ± 1.2	2.5 ± 2.9	0.019
Walking around bed (days)	2.4 ± 1.9	4.1 ± 4.5	0.007
100 m of independent walking (days)	4.6 ± 3.4	7.2 ± 5.1	0.001
Length of stay in ICU (days)	2.9 ± 2.4	3.2 ± 2.9	0.431
Length of postoperative hospital stay (days)	17.7 ± 9.6	23.0 ± 14.1	0.008
Patients with delayed early rehabilitation, n (%)	73 (31)	46 (69)	<0.001