Regional arteries | Fundamental imaging | 95% CI | Second harmonic imaging | 95% CI | p Value |
LAD coronary artery | |||||
Agreement (κ value) | 81% (0.56) | 87% (0.69) | 0.10 | ||
Sensitivity | 84% (122/146) | 79 to 89 | 93% (134/144) | 90 to 97 | 0.02 |
Specificity | 75% (47/63) | 68 to 81 | 74% (49/66) | 68 to 80 | 0.90 |
LCx coronary artery | |||||
Agreement (κ value) | 87% (0.54) | 91% (0.63) | 0.40 | ||
Sensitivity | 89% (114/128) | 84 to 94 | 96% (121/126) | 93 to 99 | 0.06 |
Specificity | 73% (16/22) | 65 to 80 | 63% (15/24) | 55 to 70 | 0.70 |
Right coronary artery | |||||
Agreement (κ value) | 80% (0.60) | 88% (0.74) | 0.10 | ||
Sensitivity | 76% (53/70) | 68 to 83 | 88% (64/73) | 82 to 94 | 0.10 |
Specificity | 86% (43/50) | 80 to 92 | 87% (41/47) | 81 to 93 | 0.90 |
LAD, left anterior descending; LCx, left circumflex.