Table 3 Single parameters selected as significant predictors of coronary stenosis in separate myocardial segments
Method | Parameter | Cut-off | AUC (95 % CI) | Sensitivity % (95 % CI) | Specificity % (95 % CI) | Accuracy % (95 % CI) | Youden index |
|---|---|---|---|---|---|---|---|
Basal inferoseptal segment | |||||||
PW-DMI | T to S' stress | 70.5 | 0.66* (0.54;0.78) | 56.7 (37.4;74.5) | 76.7 (68.1;83.9) | 72.7 (64.8;79.6) | 0.33 |
| Â | S' stress - S' rest | 4.15 | 0.65* (0.53;0.76) | 56.7 (37.4;74.5) | 73.1 (64.2;80.8) | 69.8 (61.7;77.0) | 0.30 |
| Â | A' stress | 12.3 | 0.64* (0.53;0.75) | 46.7 (28.3;65.7) | 81.4 (73.0;88.1) | 74.1 (66.1;81.1) | 0.28 |
CC-DMI | E'/A' rest | 0.64 | 0.66* (0.55;0.76) | 64.3 (44.1;81.4) | 68.2 (58.6;76.7) | 67.4 (58.9;75.1) | 0.33 |
STI | E' stress | 4.5 | 0.70* (0.58;0.83) | 66.7 (44.7;84.4) | 71.6 (61.0;80.7) | 70.5 (61.2;78.8) | 0.38 |
| Â | E'/A' stress | 0.34 | 0.66* (0.52;0.80) | 47.6 (25.7;70.2) | 88.1 (79.2;94.1) | 80.0 (71.1;87.2) | 0.36 |
Mid inferoseptal segment | |||||||
CC-DMI | PSI stress /SS stress | 0.13 | 0.65* (0.54;0.77) | 58.1 (39.1;75.5) | 69.1 (59.6;77.6) | 66.7 (58.2;74.4) | 0.27 |
|  | SSR stress - SSR rest | −0.21 | 0.64* (0.53;0.74) | 74.2 (55.4;88.1) | 55.9 (46.1;65.3) | 59.9 (51.3;68.0) | 0.30 |
Apical inferoseptal segment | |||||||
STI | PSI rest /SS rest | −0.15 | 0.65*(0.54;0.76) | 70.0 (50.6;85.3) | 57.9 (48.3;67.1) | 60.4 (51.9;68.5) | 0.28 |
| Â | PSI rest | 3.85 | 0.65*(0.54;0.76) | 70.0 (50.6;85.3) | 56.1 (46.5;65.4) | 59.0 (50.5;67.1) | 0.26 |
| Â | RSSR rest | 1.95 | 0.63*(0.53;0.74) | 90.0 (73.5;97.9) | 34.2 (25.6;43.7) | 45.8 (37.5;54.3) | 0.24 |
Basal inferior segment | |||||||
PW-DMI | S' stress | 10.8 | 0.65* (0.53;0.76) | 48.3 (29.4;67.5) | 77.3 (68.7;84.5) | 71.6 (63.6;78.7) | 0.26 |
| Â | S' stress - S' rest | 4.8 | 0.64* (0.53;0.75) | 75.9 (56.5;89.7) | 52.1 (42.8;61.3) | 56.8 (48.4;64.9) | 0.28 |
|  | T to S' stress - T to S' rest | −45.5 | 0.64* (0.53;0.75) | 62.1 (42.3;79.3) | 65.5 (56.3;74.0) | 64.9 (56.6;72.5) | 0.28 |
|  | (T to S' stress - T to S' rest )/T to S' rest | −0.44 | 0.66* (0.55;0.76) | 69.0 (49.2;84.7) | 58.0 (48.6;67.0) | 60.1 (51.8;68.1) | 0.27 |
| Â | E' rest | 9.35 | 0.64* (0.54;0.74) | 93.3 (77.9;99.2) | 34.2 (25.8;43.4) | 46.0 (37.8;54.3) | 0.28 |
| Â | E' stress | 7.53 | 0.72* (0.62;0.82) | 72.4 (52.8;87.3) | 66.1 (56.7;74.7) | 67.4 (59.1;74.9) | 0.39 |
CC-DMI | PSI stress /PSS stress | 0.06 | 0.65* (0.52;0.78) | 66.7 (44.7;84.4) | 61.9 (51.4;71.5) | 62.8 (53.6;71.4) | 0.29 |
STI | SS rest | −13.0 | 0.65* (0.54;0.77) | 41.4 (23.5;61.1) | 88.7 (81.4;93.8) | 79.2 (71.6;85.5) | 0.30 |
Mid inferior segment | |||||||
PW-DMI | T to S' stress - T to S' rest | −41.9 | 0.64* (0.53;0.75) | 66.7 (47.2;82.7) | 64.1 (54.7;72.8) | 64.6 (56.3;72.3) | 0.31 |
CC-DMI | SS stress | −14.5 | 0.66* (0.56;0.76) | 75.0 (55.1;89.3) | 55.8 (46.1;65.1) | 59.6 (51.0;67.7) | 0.31 |
STI | PSSR rest | −0.65 | 0.64* (0.52;0.76) | 41.4 (23.5;61.1) | 87.0 (79.4;92.5) | 77.8 (70.1;84.3) | 0.28 |
|  | (PSI stress - PSI rest )/PSI rest | −0.08 | 0.67* (0.56;0.78) | 48.3 (29.4;67.5) | 81.3 (72.8;88.0) | 74.5 (66.4;81.4) | 0.30 |
Basal anterior segment | |||||||
PW-DMI | S' stress | 8.2 | 0.63* (0.52;0.74) | 75.8 (57.7;88.9) | 44.2 (34.9;53.9) | 51.4 (43.0;59.7) | 0.20 |
CC-DMI | S' stress | 6.2 | 0.69* (0.59;0.79) | 51.7 (32.5;70.6) | 81.3 (72.8;88.0) | 75.2 (67.2;82.1) | 0.33 |
| Â | (PS' stress - PS' rest )/PS' rest | 3.1 | 0.69* (0.54;0.84) | 53.3 (26.6;78.7) | 83.1 (71.0;91.6) | 77.0 (65.8;86.0) | 0.36 |
|  | SSR stress | −2.4 | 0.65* (0.54;0.75) | 80.0 (61.4;92.3) | 52.7 (43.0;62.2) | 58.5 (49.9;66.7) | 0.33 |
STI | PSI stress - PSI rest | −5.5 | 0.64* (0.53;0.75) | 40.0 (22.7;59.4) | 87.3 (79.6;92.9) | 77.1 (69.3;83.8) | 0.27 |
|  | PSSR rest | −1.1 | 0.68* (0.58;0.78) | 80.0 (61.4;92.3) | 47.4 (37.9;56.9) | 54.2 (45.7;62.5) | 0.27 |
|  | PSSR stress - PSSR rest | −0.39 | 0.67* (0.56;0.78) | 80.0 (61.4;92.3) | 56.8 (47.0;66.1) | 61.7 (53.1;69.8) | 0.37 |
Basal inferolateral segment | |||||||
PW-DMI | S' stress | 12.1 | 0.65* (0.54;0.76) | 70.4 (49.8;86.2) | 57.3 (47.8;66.4) | 59.7 (51.2;67.8) | 0.28 |
| Â | E' stress | 8.1 | 0.66* (0.53;0.78) | 64.0 (42.5;82.0) | 68.7 (59.4;77.0) | 67.9 (59.4;75.5) | 0.33 |
| Â | E'/A' stress | 0.51 | 0.69* (0.57;0.80) | 56.0 (34.9;75.6) | 76.3 (67.4;83.8) | 72.7 (64.5;79.9) | 0.32 |
Mid inferolateral segment | |||||||
CC-DMI | E'/A' rest | 0.5 | 0.65* (0.54;0.76) | 61.5 (40.6;79.8) | 70.9 (61.5;79.2) | 69.1 (60.6;76.8) | 0.32 |
|  | SS stress | −16.0 | 0.72* (0.62;0.82) | 80.8 (60.6;93.4) | 59.8 (50.1;69.0) | 63.8 (55.2;71.8) | 0.41 |
|  | SSR stress | −1.4 | 0.68* (0.56;0.80) | 64.0 (42.5;82.0) | 71.2 (61.8;79.4) | 69.9 (61.4;77.4) | 0.35 |
Mid anteroseptal segment | |||||||
PW-DMI | PS' stress - PS' rest | 1.8 | 0.66* (0.55;0.76) | 86.2 (68.3;96.1) | 52.3 (42.5;62.1) | 59.6 (50.8;67.9) | 0.39 |
| Â | (PS' stress - PS' rest )/PS' rest | 0.86 | 0.70* (0.58;0.82) | 81.8 (59.7;94.8) | 70.2 (59.3;79.7) | 72.6 (63.1;80.9) | 0.52 |
CC-DMI | E' stress | 3.5 | 0.72* (0.61;0.83) | 84.6 (65.1;95.6) | 51.2 (39.9;62.4) | 59.3 (49.4;68.6) | 0.36 |
STI | PSI stress /SS stress | 0.14 | 0.64* (0.54;0.75) | 67.9 (47.6;84.1) | 59.0 (49.0;68.5) | 60.9 (52.1;69.2) | 0.27 |