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Table 2 Lists general patients’ CMR information together with a breakdown of the diagnoses reported by cardiac MRI (CMR)

From: Evaluation of a shortened cardiac MRI protocol for left ventricular examinations: diagnostic performance of T1-mapping and myocardial function analysis

CMR data (n = 160)

LV parameters

 Endsystolic volume

74 ± 53 ml

 Enddiastolic volume

158 ± 60 ml

 Ejection fraction

55 ± 12%

 Regional wall motion abnormality

36 (23%)

Myocardial characterisation

 Mean T1 relaxation timea

1266 ± 89 ms

 Maximum T1 relaxation timeb

1343 ± 98 ms

 Number of segments with increased T1 relaxation time(> 1300 ms[first quartile of the study population])

2.5 ± 4.1

 Mean T2 relaxation timea

49.7 ± 5.4 ms

 Maximum T2 relaxation time b

58.1 ± 9.7 ms

 Number of segments with increased T2 relaxation time (> 55 ms)

2.3 ± 3.9

 Mean ECVa

30.6 ± 4.6%

 Maximum ECVb

34.3 ± 5.5 ms

 Number of segments with increased ECV relaxation time (> 34%)

4.3 ± 5.4

 Number of segments with increased signal intensity in T2w DB

1.8 ± 2.7

 Positive EGE

43 (27%)

 Positive LGE

65 (41%)

Diagnosis from CMR report

 Acute myocarditis

19 (12%)

 Chronic myocarditis

21 (13%)

 Structural heart disease

18 (11%)

 Unclear or unspecific diagnosis

26 (16%)

 Systemic disease

15 (9%)

 Ischemic heart disease

12 (8%)

 No finding in CMR report or minor unspecific findings (e.g. slightly increased amount of pericardial fluid)

49 (31%)

  1. a average of segment 1–16, b segment with highest value