Table 1

Baseline Characteristics of Study Population

Patients With ST
(n = 39)
Control Patients
(n = 78)
p Value
Demographics
 Age, yrs63.8 (11.3)63.7 (11.1)NS
 Male sex34 (87.1)68 (87.1)NS
Risk factors
 Smoking0.01
  Never26 (66.7)29 (37.2)
  At index procedure7 (17.9)24 (30.8)
  Today6 (15.4)25 (32.1)
 Family history of IHD24 (61.5)51 (65.4)NS
 Body mass index, kg/m228.1 (26.7–29.5)28.0 (27.3–28.8)NS
 Diabetes5 (12.8)13 (16.7)NS
Biochemistry
 Creatinine, μmol/l§80.0 (67.5–97.5)79.0 (67.8–88.3)NS
 Platelets, 109/l235.2 (47.8)235.4 (47.8)NS
Medical history
 Previous MI, n§2 (1–2)1 (0–1)<0.0001
 Previous PCI, n§2 (2–3)1 (1–2)<0.0001
 Previous CABG8 (20.5)2 (2.6)0.001
 Previous stroke3 (7.7)6 (7.7)NS
Medication
 Statins38 (97.4)72 (76.9)NS
 Beta-blocker32 (82.1)56 (71.8)NS
 ACE inhibitor19 (48.7)38 (48.7)NS
 AT-II receptor antagonist5 (12.8)18 (23.1)NS
 Calcium antagonist7 (17.9)19 (24.4)NS
 Diuretics16 (41.0)23 (29.5)NS
 Proton pump inhibitor9 (23.1)7 (9.0)<0.05

ACE = angiotensin-converting enzyme; AT-II = angiotensin-2; CABG = coronary artery bypass grafting; IHD = ischemic heart disease; MI = myocardial infarction; PCI = percutaneous coronary intervention; ST = stent thrombosis.

  • Mean (SD), comparison made using t test.

  • n (%), comparison made using chi-square test.

  • Geometric mean (95% confidence interval), comparison made using t test.

  • § Median (interquartile range), comparison made using Mann-Whitney U test.