Table 1.

Characteristics of Patients

Variable	Overall (n=220)	Open (n=69)	MIS (n=151)	P value
Age, years	48.6 ± 16.2	53.2 ± 16.8	46.5 ± 15.4	0.004
Female	111 (50%)	31 (45%)	80 (53%)	0.26
BMI, kg/m2	31.6 ± 20.6	31.3 ± 23.7	31.7 ± 19.0	0.90
Hypertension	82 (37%)	31 (45%)	51 (34%)	0.12
Hyperlipidemia	42 (19%)	18 (26%)	24 (16%)	0.07
Diabetes mellitus	23 (10%)	10 (14%)	13 (9%)	0.18
Chronic heart failure	4 (2%)	1 (1%)	3 (2%)	0.77
Coronary artery disease	12 (5%)	6 (9%)	6 (4%)	0.15
PVD	6 (3%)	3 (4%)	3 (2%)	0.32
Chronic obstructive pulmonary disease	8 (4%)	4 (6%)	4 (3%)	0.24

^*Continuous data are shown as means ±standard deviation (SD). BMI, body mass index; BSA, PVD, peripheral vascular disease