Table 3 Comparison of the demographic characteristics and conventional imaging findings between viable and non-viable territories.

From: Machine learning-based interpretation of non-contrast feature tracking strain analysis and T1/T2 mapping for assessing myocardial viability

Demographics

LAD

RCA

LCX

Non-viable

N=32

Viable

N=47

P value

Non-viable

N=26

Viable

N=53

P value

Non-viable

N=25

Viable

N=54

P value

Hypertension

17(56.66)

17(43.58)

0.18

13(56.52)

21(45.65)

0.75

11(52.38)

23(47.91)

0.53

Diabetes

13(43.33)

13(33.33)

0.56

10(43.47)

16(34.78)

0.92

10(47.61)

16(33.33)

0.36

Hyperlipidemia

11(36.66)

10(25.64)

0.78

8(34.78)

13(28.26)

0.35

4(19.04)

17(35.41)

0.36

Smoke

15(50)

13(33.33)

0.64

10(43.47)

18(39.13)

0.92

9(42.85)

19(39.58)

0.58

Age

45.96±12.64

49.41±12.44

0.24

43.92±11.19

50.04±12.82

0.05

45.52±12.54

49.07±12.53

0.26

Imaging findings

 LA area

23.32±9.87

23.74±13.64

0.88

24.56±10.55

23.03±12.85

0.61

27.06±12.96

22.04±11.45

0.10

 RA area

19.04±12.62

20.71±21.98

0.70

21.26±14.68

19.30±20.29

0.66

20.13±6.75

19.93±21.62

0.96

 LVEF

26.18±8.00

29.61±11.67

0.15

26.15±7.24

29.20±11.59

0.22

24.95±7.31

29.48±11.16

0.08

 EDVI

136.46±78.76

128.30±48.10

0.58

122.96±46.42

136.64±70.16

0.37

147.5±65.40

125.21±61.18

0.16

 ESVI

106.87±68.23

92.92±42.01

0.28

95.57±35.81

100.79±63.20

0.69

112.22±58.41

93.34±52.96

0.17

 LVSV

56.78±17.14

60.58±18.47

0.37

57.32±19.28

59.75±17.26

0.58

59±16.95

58.88±18.43

0.98

 RVEF

45.65±12.67

43.85±11.60

0.52

42.42±12.23

45.83±11.86

0.24

42.27±15.38

45.63±10.29

0.35

 RVEDVI

81.93±45.09

76.19±32.49

0.52

79.92±33.19

78.00±41.08

0.83

87.77±50.42

74.82±31.60

0.18

 RVESVI

47.84±38.47

43.76±24.85

0.58

48.53±29.83

43.89±32.26

0.54

56.36±47.67

40.94±19.86

0.15

 RVSV

53.14±13.96

55.91±19.02

0.52

51.18±13.87

56.634±18.29

0.22

55±14.10

54.60±18.30

0.93

  1. Data are presented as Mean ± Standard Deviation or n (%). EDVI End-Diastolic Volume Index, ESVI End-Systolic Volume Index, LA area Left Atrium area, LVEF Left Ventricular Ejection Fraction, LVSV Left Ventricular Stroke Volume, RA area Right Atrium area, RVEDVI Right Ventricular End-Diastolic Volume Index, RVEF Right Ventricular Ejection Fraction, RVESVI Right Ventricular End-Systolic Volume Index, RVSV Right Ventricular Stroke Volume.