Table 2 Myocardial T 2 and T 1 relaxation times [in ms] for each plane (base, middle, apex)
From: Myocardial T1 and T2 mapping at 3 T: reference values, influencing factors and implications
Position | Least square mean | 95% Tolerance interval | Min-Max | |
|---|---|---|---|---|
T2 [ms] | Base | 44.1 | 39.3 – 49.5 | 36.2 – 53.3 |
Middle | 45.1 | 39.9 – 50.1 | 37.9 – 57.0 | |
Apex | 46.9 | 40.8 – 53.8 | 39.1 – 59.1 | |
T1 pre-contrast [ms] | Base | 1157.1 | 1074.5 – 1246.0 | 965.6 – 1340.8 |
Middle | 1158.7 | 1074.0 – 1250.1 | 1005.3 – 1295.9 | |
Apex | 1180.6 | 1073.9 – 1297.9 | 1106.3 – 1393.9 | |
T1 post-contrast [ms] | Base | 427.3 | 363.2 – 502.7 | 284.5 – 520.1 |
Middle | 411.2 | 349.9 – 483.2 | 282.5 – 513.2 | |
Apex | 399.7 | 323.0 – 494.6 | 260.6 – 519.5 |