Table 3 T1 mapping in AF and sinus rhythm: differences between diastole and systole.
From: Left ventricular T1-mapping in diastole versus systole in patients with mitral regurgitation
N | Diastole | Systole | 95% Confidence interval | P value | |||
|---|---|---|---|---|---|---|---|
Mean ± Std deviation | Mean ± Std deviation | Lower | Upper | ||||
SR | ECV fraction (%) | 160 | 26.9 ± 3.1 | 26.9 ± 2.6 | − 0.29 | 0.31 | 0.961 |
Native T1 (ms) | 163 | 985 ± 28 | 983 ± 24 | − 0.53 | 5.99 | 0.100 | |
Post-contrast (ms) | 160 | 461 ± 31 | 462 ± 31 | − 3.25 | 1.10 | 0.331 | |
R2 | 327 | 96.1 ± 1.4 | 96.3 ± 1.4 | − 0.30 | − 0.12 | < 0.001* | |
AF | ECV fraction (%) | 39 | 28.6 ± 2.5 | 28.8 ± 2.6 | − 0.73 | 0.39 | 0.548 |
Native T1 (ms) | 39 | 1000 ± 30 | 996 ± 31 | − 5.11 | 13.36 | 0.372 | |
Post-contrast (ms) | 39 | 452 ± 43 | 459 ± 38 | − 14.70 | 0.40 | 0.063 | |
R2 | 80 | 95.5 ± 1.3 | 95.9 ± 1.2 | − 0.65 | − 0.25 | < 0.001* | |
