Table I.

Baseline characteristics of study group

	Group I		Group II		Total		P
	n	%	n	%	n	%
Age (mean y [SD])	53.0 [10.5]		55.5 [11.0]		54.37 [10.76]		0.42
Sex
Woman	4	20.6	2	7.6	6	12.5	0.28
Man	18	81.8	24	92.3	42	87.5
Hypertension	14	63.6	18	69.2	32	66.6	0.69
Diabetes mellitus	12	54.5	10	38.4	22	45.8	0.27
Hyperlipidemia	8	36.3	6	23.0	14	29.1	0.32
Chronic obstructive pulmonary disease	6	27.2	8	30.7	14	29.1	0.79
Smoking	14	63.6	20	76.9	34	70.8	0.32
Coronary artery disease	7	31.8	12	46.1	19	39.5	0.50
Ejection fraction (mean % [SD])	47.9 [9.1]		46.1 [9.6]				0.23
Peptic ulcer	3	13.6	3	11.5	6	12.5	0.51
Previous peripheral operation	12	54.5	7	26.9	19	39.5	0.05
Aortofemoral bypass	3	13.6	1	3.8
Femoropopliteal bypass	5	22.7	3	11.5
Popliteadistal bypass	4	18.1	3	11.5
Fontaine classification
Class III	19	86.3	23	88.4	42	77.5	0.51
Class IV	3	13.6	3	11.5	6	12.5