Tested positive | Sensitivity | Specificity | PPV | NPV | |
Baseline | |||||
EF ≤35% | 59/80 | 93.75 | 39.58 | 50.85 | 90.48 |
MAPSE ≤8 mm | 54/76 | 93.55 | 44.44 | 53.70 | 90.91 |
PSV ≤5 cm/s | 69/76 | 96.77 | 13.33 | 43.48 | 85.71 |
LDE | |||||
EF ≤45% | 50/80 | 90.62 | 56.25 | 58.00 | 90.00 |
MAPSE ≤9 mm | 51/72 | 93.33 | 45.24 | 54.90 | 90.48 |
PSV ≤6 cm/s | 56/72 | 90.00 | 30.95 | 48.21 | 81.25 |
EF difference ≤10 percentage units | 55/80 | 75.00 | 35.42 | 43.64 | 68.00 |
MAPSE difference ≤2 mm | 59/72 | 90.00 | 23.81 | 45.76 | 76.92 |
PSV difference ≤1 cm/s | 30/72 | 40.00 | 57.14 | 40.00 | 57.14 |
Combination variables | |||||
Baseline EF ≤35 and baseline PSV ≤5 and baseline MAPSE ≤8 | 43/76 | 83.87 | 62.22 | 60.47 | 84.85 |
Baseline EF ≤35 and stress EF ≤45 | 45/80 | 87.50 | 64.58 | 62.22 | 88.57 |
EF, ejection fraction; LDE, Low-dose Dobutamine Echocardiography; MAPSE, mitral annular plane systolic excursion; NPV, negative predictive value; PPV, positive predictive value; PSV, peak systolic velocity.