Table 1

Demographics and baseline patient characteristics of the study population and patients with and without major bleeding

CharacteristicTotal population (n=352)Patients with major bleeding (n=19 (5.4%))Patients without major bleeding (n=333 (94.6%))p Value
Age (mean)65.04±12.1669.95±11.7164.76±12.140.08
Female100 (28.4%)6 (31.6%)94 (28.2%)0.75
Weight (kg)76.47±15.4673.83±14.7476.61±15.510.33
Medical history
 Current smoking116 (33%)5 (26.3%)111 (33.3%)0.53
 Diabetes95 (27%)4 (21.1%)91 (27.3%)0.55
 Dyslipidaemia202 (57.4%)9 (47.4%)193 (58%)0.37
 Hypertension223 (63.4%)12 (63.2%)211 (63.4%)0.99
 Previous CABG21 (6%)1 (5.3%)20 (6%)1.0
 Previous MI62 (17.6%)4 (21.1%)58 (17.4%)0.76
 Previous PCI97 (27.6%)5 (26.3%)92 (27.6%)0.95
 Cardiac insufficiency14 (4%)1 (5.3%)13 (3.9%)0.55
Entry criteria
 Ischaemic symptom345 (98%)19 (100%)326 (97.9%)1.0
 ST segment or T wave segment change258 (73.3%)13 (68.4%)245 (73.6%)0.62
 Increased troponin I261 (74.1%)17 (89.5%)244 (73.3%)0.17
 TIMI score3.91±1.054.32±13.89±1.050.06
Physical examination
 Heart rate (beats/min)74±1572±1274±150.75
 Systolic blood pressure (mm Hg)147±25142±20147±250.40
 Diastolic blood pressure (mm Hg)79±1475±1279±140.31
Laboratory findings
 Creatinine on admission (μmol/l)85±46123±15083±310.05*
 Peak creatinine during hospital stay (μmol/l)97±57170±16992.81±390.005*
 Peak troponin (ng/ml)7.4±15.68.5±15.47.38±15.650.28
  • Values are mean±SD or number (%).

  • * p<0.05.

  • CABG, coronary artery bypass graft; MI, myocardial infarction; PCI, percutaneous coronary intervention; TIMI, thrombolysis in myocardial infarction.