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Table 2 24 h CMR characteristics of included patients in each cohort

From: Dynamic changes in injured myocardium, very early after acute myocardial infarction, quantified using T1 mapping cardiovascular magnetic resonance

Patients characteristics

Temporal change cohort (N = 30)

Single scan cohort (N = 16)

P value

End Diastolic Volume (EDV)(a) (ml)

168 ± 38

177 ± 36

0.42

End Systolic Volume (ESV)(a) (ml)

88 ± 33

85 ± 24

0.73

Ejection Fraction (EF)(a)

48 ± 11

52 ± 8

0.27

Area At Risk (AAR)(a) (using T1 mapping)

38.5 ± 15

38.0 ± 14

0.92

Late Gadolinium Enhancement (LGE) (LV %)(b)

21 (17–33)

23 (13–32)

0.72

Microvascular Obstruction (MVO) (LV %)(b)

1.0 (0–6.0)

0.7 (0–4.3)

0.76

Incidence of MVO(c)

15 (50%)

8 (50%)

1.0

Myocardial Salvage Index (MSI) (LV %)(b)

34 (22–57)

40 (30–53)

0.45

  1. Parameter was calculated from all LV slices. Data are presented as (a) mean ±SD, (b) median & IQR, (c) total number and proportion