Table 1:

Participant characteristics

CharacteristicNo. (%) of participants* in the Hamilton cohort
n = 1092
No. (%) of participants* in the Brisbane cohort
n = 795
No. (%) of participants* in the Christchurch cohort
n = 946
No. (%) of participants* in the Hamburg cohort
n = 1412
Age, mean ± SD; yr66.5 ± 16.655.2 ± 15.264.5 ± 12.862.7 ± 15.6
Male sex515 (47.2)476 (59.9)569 (60.1)899 (63.7)
Family history of coronary artery disease596 (54.6)367 (46.2)538 (56.9)257 (18.2)
Hypertension767 (70.2)397 (49.9)566 (59.8)N/A
Hypercholesterolemia646 (59.2)381 (47.9)542 (57.3)N/A
Diabetes mellitus319 (29.2)104 (13.1)165 (17.4)193 (13.7)
Current smoking278 (25.5)217 (27.3)135 (14.3)338 (23.9)
History of MI388 (35.5)137 (17.2)277 (29.3)228 (16.1)
History of congestive heart failure211 (19.3)39 (4.9)80 (8.5)211 (14.9)
History of angina288 (26.4)184 (23.1)421 (44.5)N/A
Detectable hs-cTnI concentration941 (86.2)708 (88.7)888 (93.9)1185 (83.9)
Detectable hs-cTnT concentration922 (84.4)573 (72.1)680 (71.9)899 (63.7)
30-d MI or death177 (16.2)47 (5.9)225 (23.8)276 (19.5)
  • Note: hs-cTnI = high-sensitivity cardiac troponin I, hs-cTnT = high-sensitivity cardiac troponin T, MI = myocardial infarction, N/A = not available, SD = standard deviation.

  • * Unless specified otherwise.

  • Within 30 days after presentation to the emergency department.