Table 2 Receiver operating characteristic curve analysis for differentiating the single-vessel group from the no stenosis group.

From: Incremental value of early systolic lengthening and postsystolic shortening in detecting left anterior descending artery stenosis using nonstress speckle-tracking echocardiography

 

Peak systolic strain

TESL

TPSS

AUC

P

AUC

P

AUC

P

Apical long-axis view

Apical posterior

0.56

0.38

0.51

0.90

0.59

0.19

Apical anteroseptal

0.56

0.41

0.51

0.86

0.58

0.25

Mid anteroseptal

0.56

0.38

0.53

0.60

0.62

0.06

Basal anteroseptal

0.55

0.46

0.57

0.18

0.59

0.17

Apical 4-chamber view

Mid septal

0.52

0.74

0.51

0.80

0.63

0.05

Apical septal

0.54

0.54

0.51

0.86

0.70

< 0.01

Apical lateral

0.54

0.54

0.53

0.59

0.65

0.02

Apical 2-chamber view

Apical inferior

0.68

< 0.01

0.53

0.63

0.62

0.06

Apical anterior

0.71

< 0.01

0.68

< 0.01

0.75

< 0.01

Mid anterior

0.67

< 0.01

0.60

0.12

0.59

0.19

Basal anterior

0.54

0.53

0.56

0.38

0.50

0.96

  1. P values versus the line of random chance (AUC = 0.5).
  2. AUC, area under the curve.