Table 1

Characteristics of Patients, Target Lesions, and Interventional Procedures

Patient-Based DataWomen
(n = 871)
Men
(n = 2,331)
p Value
Age, yrs67.5 ± 10.262.8 ± 10.6<0.001
Diabetes mellitus (any)211 (24.2)414 (17.8)<0.001
Chronic renal failure before PCI22 (2.5)79 (3.4)0.21
Requiring dialysis3 (0.3)3 (0.1)0.35
Serum creatinine74.0 ± 33.787.0 ± 28.2<0.001
Arterial hypertension554 (63.6)1,203 (51.6)<0.001
Hypercholesterolemia451 (52.3)1,200 (52.0)0.89
Current smoker192 (22.0)592 (25.4)0.05
Family history of coronary artery disease475 (54.5)1,168 (50.1)0.03
Previous myocardial infarction190 (21.8)657 (28.2)<0.001
Previous percutaneous coronary intervention136 (15.6)501 (21.5)<0.001
Previous coronary bypass surgery66 (7.6)255 (10.9)0.005
Clinical syndrome at presentation0.01
 Stable angina pectoris360 (41.3)1,063 (45.6)
 Unstable angina pectoris185 (21.2)385 (16.5)
 Non–ST-segment elevation myocardial infarction220 (25.3)619 (26.6)
 ST-segment elevation myocardial infarction106 (12.2)264 (11.3)
At least 1 small-vessel (RVD <2.75 mm)551 (63.3)1391 (59.7)0.06
At least 1 lesion length >27 mm150 (17.2)461 (19.8)0.10
Multivessel treatment148 (17.0)484 (20.8)0.02
At least 1 chronic total occlusion50 (5.7)121 (5.2)0.54
At least 1 bifurcation189 (21.7)638 (27.4)<0.001
At least 1 in-stent restenosis37 (4.2)87 (3.7)0.50
De novo lesions only766 (87.9)2055 (88.2)0.87
Syntax score before PCI12.4 ± 9.814.1 ± 11.0<0.001
Smallest reference vessel diameter2.57 ± 0.582.64 ± 0.590.002
Number of lesions treated per patient0.05
 1625 (71.8)1,588 (68.1)
 2187 (18.4)579 (24.8)
 ≥359 (6.8)164 (7.0)
Number of stents per patient1.8 ± 1.11.9 ± 1.10.17
Worst lesion complexity by ACC/AHA lesion class0.37
 A42 (4.8)101 (4.3)
 B1188 (21.6)484 (20.8)
 B2300 (34.4)754 (32.3)
 C341 (39.2)992 (42.6)
Percent diameter stenosis
 Before PCI69.2 ± 16.069.6 ± 16.70.52
 After PCI15.5 ± 7.916.1 ± 8.40.09

Values are mean ± SD or n (%).

ACC/AHA = American College of Cardiology/American Heart Association; PCI = percutaneous coronary intervention; RVD = reference vessel diameter.

  • Chronic renal failure defined by serum creatinine level ≥130 μmol/l.

  • Out of 3,168 patients.

  • Including chronic total occlusion, but not grafts or in-stent restenosis.