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Table 5 Performance of multiparametric model and visual wall motion analysis in the test and validation groups

From: Combination of single quantitative parameters into multiparametric model for ischemia detection is not superior to visual assessment during dobutamine stress echocardiography

  Group Sensitivity, % (95 % CI) Specificity, % (95 % CI) Positive predictive value, % (95 % CI) Negative predictive value, % (95 % CI)
Visual wall motion analysis Test 76.8 (65.6; 85.2) 89.0 (80.4; 94.1) 85.5 (74.7; 92.2) 82.0 (72.8; 88.6)
Validation 75.8 (64.2; 84.5) 74.4 (58.9; 85.4) 83.3 (71.9; 90.7) 64.4 (49.8; 76.7)
Model for at least one stenosis for patient Test 91.6 (82.8; 96.1) 86.3 (77.0; 92.2) 85.5 (75.9; 91.7) 92.0 (83.6; 96.3)
Validation 66.7 (55.9; 76.7) 77.8 (61.9 ;88.3) 85.2 (73.4; 92.3) 54.9 (41.4; 67.7)
LAD model Test 90.6 (79.8; 95.9) 92.9 (86.0; 96.5) 87.3 (76.0; 93.7) 94.8 (88.4; 97.8)
Validation 40.4 (28.2; 53.9) 66.0 (52.6; 77.3) 53.9 (38.5; 68.4) 53.0 (41.2; 64.6)
LCX model Test 85.6 (70.6; 93.7) 94.0 (88.1; 97.1) 81.0 (65.8; 90.5) 95.6 (90.1; 98.1)
Validation 20.5 (10.8; 35.5) 87.8 (77.9; 93.7) 50.0 (28.0;72.0) 65.2 (54.8; 74.3)
RCA model Test 85.4 (72.8; 92.7) 92.2 (85.4; 96.0) 83.7 (71.0; 91.5) 93.1 (86.5; 96.6)
Validation 45.5 (31.7;59.9) 78.7 (66.9; 87.1) 60.6 (43.7; 75.3) 66.7 (55.2; 76.5)
  1. LAD Left ascending artery, LCX Left circumflex artery, RCA Right coronary artery, CI Confidence interval