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Table 3 Diagnostic performance of CMR stress testing for the detection of ≥70 % stenosis on coronary angiography in all patients (n = 159)

From: Impact of arrhythmia on diagnostic performance of adenosine stress CMR in patients with suspected or known coronary artery disease

  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
  1. Values are % (n)
  2. AFib atrial fibrillation, VES ventricular extrasystoles, SVES supraventricular extrasystoles, LR+ positive likelihood ratio, LR- negative likelihood ratio
  3. aLCA = LM + LAD + LCX, abbreviations see Table 2
  4. bAll types of arrhythmia: n = 64 AFib + n = 87 VES + n = 8 SVES