Table 1. Patient Demographics.

Demographic	Control group	IPC group	p-value
No.	146	233
Sex (male:female)	80:66	106:127	0.091
Age (yr)	52.9 ± 14.3	53.8 ± 14.1	0.551
Body mass index (kg/m2)	24.4 ± 3.6	24.2 ± 3.5	0.650
Comorbidity index			0.889
0	90 (61.6)	130 (55.8)
1	46 (31.5)	69 (29.6)
2	10 (6.8)	26 (11.2)
3	0	7 (3.0)
4	0	1 (0.4)

Values are presented as mean ± standard deviation or number (%).

IPC: intermittent pneumatic compression.