Table 1 Risk factors associated with additional cardiac investigation

72.3 ± 8.7

68.5 ± 8.9

–

< 0.001

–

1.05

1.03–1.08

< 0.001

81 (58.7%)

121 (51.3%)

1.93

0.164

1.4

1.35

0.88–2.06

0.170

57 (41.3%)

115 (48.7%)

1.93

0.164

-1.4

0.74

0.48–1.13

0.170

31.4 ± 5.5

31.1 ± 5.3

–

0.592

–

1.01

0.97–1.05

0.590

27 (19.6%)

29 (12.3%)

3.62

0.057

1.9

1.74

0.98–3.08

0.060

105 (76.1%)

139 (58.9%)

11.35

0.001

3.4

2.22

1.39–3.55

<0.001

88 (63.8%)

128 (54.2%)

3.24

0.072

1.8

1.49

0.96–2.29

0.070

11 (8.0%)

11 (4.7%)

5.97

0.050

1.3

2.03

0.85–4.88

0.110

41 (29.7%)

50 (21.2%)

5.97

0.050

1.9

1.67

1.03–2.7

0.040

13 (9.4%)

29 (12.3%)

0.72

0.397

- 0.8

0.74

0.37–1.48

0.400

12 (8.7%)

11 (4.7%)

2.47

0.292

1.6

1.95

0.83–4.54

0.120

16 (11.6%)

28 (11.9%)

0.006

0.938

-0.1

0.97

0.51–1.87

0.940

7 (5.1%)

7 (3.0%)

1.07

0.300

1.0

1.75

0.60–5.09

1.000

13 (9.4%)

3 (12.7%)

0.93

0.336

-1.0

0.71

0.36–1.42

0.340

63 (45.7%)

69 (29.2%)

10.27

0.001

3.2

2.03

1.31–3.15

0.002

3 (2.2%)

5 (2.1%)

0.001

0.972

0.0

1.03

0.24–4.36

0.970

14 (10.1%)

14 (5.9%)

2.23

0.135

1.5

1.79

0.83–3.88

0.140

38 (27.5%)

36 (15.3%)

8.28

0.004

2.9

2.11

1.26–3.53

0.005

10 (7.2%)

15 (6.4%)

0.11

0.739

0.3

1.15

0.50–2.64

0.740

25 (18.1%)

30 (12.7%)

2.04

0.154

1.4

1.52

0.85–2.71

0.160

4 (2.9%)

3 (1.3%)

1.26

0.262

1.1

2.32

0.51 –10.52

0.280

19 (13.8%)

8 (3.4%)

14.00

<0.001

3.7

4.55

1.93 –10.70

<0.001

8 (5.8%)

6 (2.5%)

2.56

0.110

1.6

2.36

0.80–6.95

0.120

42 (30.4%)

30 (12.7%)

17.60

<0.001

4.2

3.00

1.77–5.09

<0.0001

53 (38.4%)

62 (26.3%)

6.02

0.014

2.5

1.75

1.12–2.74

0.001

62.0 ± 10.2

64.9 ± 6.7

–

0.005

–

0.96

0.93–0.99

0.002