Table 1 Baseline characteristics
Men (n = 34 020)Women (n = 19 761)Unadjusted OR (95% CI)Age-adjusted OR* (95% CI)
Age, mean (SD),years69 (12)73 (11)
Risk factors
Hypertension35430.71 (0.69–0.74)0.74 (0.71–0.77)
Diabetes21240.84 (0.80–0.87)0.86 (0.82–0.89)
Current smoker21171.28 (1.22–1.34)0.96 (0.91–1.01)
History of MI36301.27 (1.23–1.32)1.44 (1.38–1.49)
History of PCI961.56 (1.45–1.68)1.35 (1.26–1.45)
History of CABG951.97 (1.83–2.13)1.94 (1.79–2.09)
Medical treatment before admission
ACE inhibitor21210.99 (0.94–1.03)1.03 (0.99–1.08)
Aspirin/other thrombocyte inhibitor53521.04 (1.01–1.08)1.15 (1.11–1.20)
Oral anticoagulant651.21 (1.12–1.31)1.36 (1.25–1.47)
β-blocker46470.95 (0.92–0.98)0.97 (0.93–1.00)
Digitalis7100.69 (0.64–0.73)0.89 (0.83–0.95)
Diuretic26410.50 (0.49–0.52)0.63 (0.60–0.65)
Long-acting nitroglycerine29310.88 (0.85–0.92)1.04 (0.99–1.08)
Lipid-lowering therapy22191.23 (1.18–1.29)1.06 (1.01–1.11)
Medical history
Stroke12121.02 (0.97–1.08)1.27 (1.20–1.35)
Renal failure1.91.31.44 (1.25–1.66)1.56 (1.35–1.80)
COPD670.78 (0.72–0.83)0.86 (0.80–0.93)
Dementia0.20.40.52 (0.38–0.71)0.68 (0.50–0.93)
Heart failure13170.72 (0.68–0.75)0.93 (0.88–0.98)
Cancer diagnosed last 3 years4.83.81.26 (1.15–1.37)1.50 (1.37–1.64)
Ischaemic signs
ST depression†34380.83 (0.80–0.86)0.95 (0.92–0.99)
Marker elevation (n = 47 348)§
    CKMB⩾5 μg/l / TnT⩾0.06 μg/l79791.02 (0.99–1.06)1.16 (1.11–1.21)
    CKMB⩾10 μg/l / TnT⩾0.1 μg/l72711.05 (1.01–1.09)1.20 (1.15–1.25)
Diagnosis at discharge
NSTEMI72730.91 (0.88–0.95)1.09 (1.05–1.14)
UAP29271.10 (1.05–1.14)0.92 (0.88–0.96)
  • Data are presented as percentages unless otherwise indicated.

  • CABG, coronary artery bypass grafting; CKMB, creatine kinase muscle/brain; COPD, chronic obstructive pulmonary disease; MI, myocardial infarction; PCI, percutaneous coronary intervention; NSTEMI, non-ST-elevation myocardial infarction; TnT, troponin T; UAP, unstable angina pectoris.

  • *Odds ratios were obtained by logistic regression analysis and presented for men vs women.

  • †ST-segment depression was defined as ⩾1 mm depression of the ST-segment in ⩾2 leads, on admission ECG.

  • §Valid values for CKMB or TnT were available in 88% of the cases. Different troponin I methods or CKB were used otherwise.