Table 3.
Diagnostic performance of CMR stress testing for the detection of ≥70 % stenosis on coronary angiography in all patients (n = 159)
| Per patient | LCAa | RCA | |
|---|---|---|---|
| All Types of Arrhythmiab | |||
| Sensitivity | 72 % (49/68) | 78 % (53/68) | 63 % (24/38) |
| Specificity | 76 % (69/91) | 77 % (70/91) | 88 % (107/121) |
| Diagnostic Accuracy | 73 % (118/159) | 77 % (123/159) | 82 % (131/159) |
| LR+ | 3.00 | 3.39 | 5.25 |
| LR- | 0.37 | 0.29 | 0.42 |
| AFib Only | |||
| Sensitivity | 71 % (25/35) | 81 % (22/27) | 63 % (10/16) |
| Specificity | 69 % (20/29) | 76 % (28/37) | 88 % (42/48) |
| Diagnostic Accuracy | 70 % (45/64) | 78 % (50/64) | 81 % (52/64) |
| LR+ | 2.29 | 3.38 | 5.25 |
| LR- | 0.42 | 0.25 | 0.42 |
| VES Only | |||
| Sensitivity | 74 % (23/31) | 75 % (30/40) | 65 % (13/20) |
| Specificity | 82 % (46/56) | 81 % (38/47) | 90 % (61/67) |
| Diagnostic Accuracy | 79 % (69/87) | 78 % (68/87) | 85 % (74/87) |
| LR+ | 4.11 | 3.95 | 6.05 |
| LR- | 0.32 | 0.31 | 0.39 |
Values are % (n)
AFib atrial fibrillation, VES ventricular extrasystoles, SVES supraventricular extrasystoles, LR+ positive likelihood ratio, LR- negative likelihood ratio
aLCA = LM + LAD + LCX, abbreviations see Table 2
bAll types of arrhythmia: n = 64 AFib + n = 87 VES + n = 8 SVES