Table 1 Demographics and baseline data

Age, mean (SD)

61.9 (16.9)

62.3 (14.1)

67.6 (15.6)

64.3 (15.2)

45.4 (16.6)

MI (definite or possible) vs elevated cTnT; <0.001

MI (definite or possible) vs normal: <0.001

Elevated cTnT vs normal: <0.001

Female, n (%)

61 (42%)

8 (40%)

16 (42%)

30 (48%)

7 (30.4%)

MI (definite or possible) vs elevated cTnT; 0.39

MI (definite or possible) vs normal: 0.39

Elevated cTnT vs normal: 0.14

White ethnicity, n (%)

123 (85.4%)

17 (85%)

34 (87%)

54 (87%)

18 (78.3%)

MI (definite or possible) vs elevated cTnT; 0.92

MI (definite or possible) vs normal: 0.36

Elevated cTnT vs normal: 0.32

APACHE II score, mean (SD)

19.4 (6.23)

18.8 (5.47)

20.5 (5.84)

21.2 (5.84)

13.2 (4.60)

MI (definite or possible) vs elevated cTnT; 0.20

MI (definite or possible) vs normal: <0.001

Elevated cTnT vs normal: <0.001

Past medical history

Ischaemic heart disease, n (%)

24 (16.7%)

5 (25%)

8 (21%)

10 (16%)

1 (4.35%)

MI (definite or possible) vs elevated cTnT; 0.41

MI (definite or possible) vs normal: 0.099

Elevated cTnT vs normal: 0.28

Hypertension, n (%)

52 (36.1%)

8 (40%)

23 (59%)

19 (31%)

2 (9%)

MI (definite or possible) vs elevated cTnT; 0.014

MI (definite or possible) vs normal: <0.001

Elevated cTnT vs normal: 0.048

Diabetes, n (%)

41 (28.5%)

8 (40%)

14 (36%)

18 (29%)

1 (4%)

MI (definite or possible) vs elevated cTnT; 0.34

MI (definite or possible) vs normal: 0.002

Elevated cTnT vs normal: 0.018

Any type of vascular disease, n (%)

29 (20.1%)

4 (20%)

12 (32%)

12 (19%)

1 (4%)

MI (definite or possible) vs elevated cTnT; 0.31

MI (definite or possible) vs normal: 0.031

Elevated cTnT vs normal: 0.17