Table 1

Clinical Demographic Data

VariableAnte Group (n = 23)Retro Group (n = 25)p Value
Male20 (87%)23 (92%)0.66
Age, yrs62 ± 1060 ± 110.60
Body mass index ≥25 kg/m213 (57%)9 (36%)0.15
Hypertension14 (61%)16 (64%)0.82
Hyperlipidemia9 (39%)16 (64%)0.08
Diabetes mellitus12 (52%)9 (36%)0.26
Cigarette smoking14 (61%)14 (56%)0.73
History of coronary artery bypass grafting2 (9%)4 (16%)0.67
Family history of coronary artery disease6 (26%)4 (16%)0.39
Location of CTO0.04
 Right10 (44%)19 (76%)
 Left anterior descending7 (30%)5 (20%)
 Left circumflex6 (26%)1 (4%)
Multivessel disease8 (35%)20 (80%)0.002
Reattempt after previous CTO intervention failure08 (32%)0.004

Values are n (%) or mean ± SD.

Ante = antegrade approach; CTO = chronic total (coronary) occlusion; Retro = retrograde approach.