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Table 3 T2, T1 and ECV at mid level of the left ventricle in heart transplant patients and in controls

From: Cardiovascular magnetic resonance in heart transplant patients: diagnostic value of quantitative tissue markers: T2 mapping and extracellular volume fraction, for acute rejection diagnosis

  Controls n = 34 Heart transplant patients Kruskal-Wallis p-Value Group A comparison Group B comparison
No rejection n = 24 Rejection n = 7
T2 mapping (ms) 51.0 [49.0–53.0] 51.8 [50.1–53.6] 55.7 [54.0–59.7] 0.0131 ns significant
T1 mapping before contrast (ms) 956 [948–971] 983 [956–1021] 993 [954–1050] 0.0178 significant ns
T1 mapping after contrast (ms) 470 [448–501] 483 [461–500] 507 [485–538] 0.1705 ns ns
ECV (%) 22.8 [21.6–24.5] 27.4 [24.4–31.5] 29.5 [27.8–36.3] <  0.0001 significant significant
  1. ECV = Extra-Cellular Volume; ns = non significant.
  2. Multiple group comparison was performed by the kruskal-wallis test expressed by the p-value. Comparison between each subgroup was tested with Dunn’s multiple comparison test; Group A comparison refers to a comparison between controls and the no rejection group, whereas Group B comparison refers to control and rejection group. Values are median [first (Q1) and third (Q3) quartiles].