Table 4 Comparison of clinical parameters among groups of patients who underwent cardiac CT examinations

Sex (M: F)

284:219

27:33

0.15

229:160

56:59

0.097

19:28

8:5

0.25

Age (years)

65.1 ± 12.9

63.7 ± 17.0

0.44

65.5 ± 12.3

63.6 ± 14.8

0.16

66.0 ± 13.9

55.2 ± 24.0

0.04

Body weight (kg)

61.4 ± 14.5

58.7 ± 15.0

0.18

61.0 ± 13.3

62.7 ± 17.8

0.28

59.1 ± 14.5

57.3 ± 17.4

0.7

Body height (m)

1.61 ± 0.10

1.59 ± 0.11

0.18

1.61 ± 0.10

1.59 ± 0.11

0.07

1.58 ± 0.11

1.63 ± 0.09

0.16

Body mass index

23.6 ± 4.2

23.2 ± 4.7

0.45

23.4 ± 3.82

24.5 ± 5.33

0.015

23.6 ± 4.6

21.5 ± 4.9

0.14

Contrast material (ml)

45.8 ± 10.4

44.2 ± 10.6

0.26

45.5 ± 10.1

47.1 ± 11.1

0.16

44.8 ± 11.1

41.2 ± 8.5

0.28

Injection speed (ml/s)

3.6 ± 0.7

3.4 ± 0.7

0.04

3.6 ± 0.7

3.6 ± 0.8

0.64

3.4 ± 0.6

3.2 ± 0.8

0.35

β blocker (−/+)

238/265

35/25

0.16

190/199

48/47

0.8

26/21

9/4

0.45

Diabetes mellitus (−/+)

336/167

44/16

0.41

258/131

78/37

0.81

34/13

10/3

0.8

SD of HR in rest

1.89 ± 4.27

2.14 ± 3.45

0.67

1.82 ± 4.59

2.13 ± 2.94

0.5

1.70 ± 2.40

3.70 ± 5.76

0.06