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Table 2 Baseline Characteristics of Stress Testing and Cardiac Imaging Measures by Events/Gender

From: Asymptomatic myocardial ischemia forecasts adverse events in cardiovascular magnetic resonance dobutamine stress testing of high-risk middle-aged and elderly individuals

 

Women

Men

No CV events

CV events

p-value

No CV events

CV events

p-value

(n = 177)

(n = 22)

(n = 112)

(n = 16)

Resting Systolic Blood Pressure (mmHg)

141 ± 17

150 ± 25

0.11

140 ± 17

148 ± 16

0.17

Resting Diastolic Blood Pressure (mmHg)

77 ± 10

83 ± 11

0.16

82 ± 11

84 ± 10

0.61

Resting Heat rate (beats/minute)

67 ± 11

66 ± 13

0.80

63 ± 11

69 ± 11

0.13

Peak Systolic Blood Pressure (mmHg)

126 ± 23

126 ± 31

0.98

129 ± 15.8

126 ± 19.5

0.79

Peak Diastolic Blood Pressure (mmHg)

64.9 ± 13.2

63.4 ± 18.3

0.84

75 ± 17

76 ± 16

0.85

Peak stress Heat rate (beats/minute)

126 ± 14

117 ± 20

0.04

125 ± 17

124 ± 11

0.95

Rate pressure product (mmHg-bpm)

15,923 ± 3437

14,897 ± 4376

0.38

16,133 ± 3740

15,813 ± 2984

0.82

Left Ventricular Ejection Fraction (%)

66 ± 7

63 ± 9

0.23

61 ± 8

60 ± 11

0.55

Left Ventricular End Diastolic Volume (ml/m2)

59 ± 15

59 ± 17

0.96

64 ± 14

69 ± 15

0.13

Left Ventricular End Systolic Volume (ml/m2)

20 ± 7

23 ± 13

0.32

25 ± 10

30 ± 12

0.026

Left Ventricular Stroke Volume (ml/m^2)

38 ± 8

36 ± 7

0.73

39 ± 9

39 ± 9

0.97

Left Ventricular Mass (g/m2)

61 ± 11

66 ± 9

0.08

72 ± 14

80 ± 12

0.17

Left Ventricular Inducible Wall Motion Abnormality, n (%)

18 (10%)

2 (9%)

0.87

12 (10%)

9 (56%)

< 0.001

Left Ventricular Stress-induced Perfusion Defect (%; of those who received contrast)

31 (27%)

6 (37%)

0.40

15 (19%)

8 (62%)

0.001

Myocardial ischemia (Wall Motion or Perfusion; out of all participants without known CAD)

39 (22%)

7 (32%)

0.32

22 (20%)

11 (69%)

< 0.001

  1. Baseline stress test and imaging characteristics stratified by gender. Mean ± Standard Deviation or number (percent). A p-value < 0.05 indicates statistical significance. CV cardiovascular