Table 2 cMRI parameters.
AF with TTNtv | AF without TTNtv | Controls | P-value† | P-value‡ | |
|---|---|---|---|---|---|
Cardiac index, mL/min/m2 | 3856 (601) | 3903 (618) | 3668 (720) | 0.436 | 0.330 |
Heart rate, bpm | 72 (12) | 66 (10) | 62 (13) | 0.018§ | 0.264 |
LA volumes, ml/m2 | |||||
LAmini | 24 (7) | 25 (5) | 27 (8) | 0.252 | 0.232 |
LAmaxi | 52 (12) | 55 (10) | 60 (11) | 0.103 | 0.264 |
LAmdvi | 34 (8) | 37 (8) | 41 (10) | 0.059 | 0.317 |
LAbaci | 35 (9) | 40 (9) | 44 (11) | 0.025§ | 0.278 |
LA emptying volumes, ml/m2 | |||||
LA passive emptying volumei | 18 (6) | 18 (5) | 19 (6) | 0.705 | 0.625 |
LA active emptying volumei | 11 (4) | 15 (5) | 16 (4) | 0.002§ | 0.530 |
LA conduit volumei | 25 (5) | 26 (6) | 25 (6) | 0.779 | 0.432 |
LA total emptying fraction | 54 (9) | 56 (6) | 55 (6) | 0.793 | 0.571 |
LA passive emptying fraction | 34 (6) | 33 (7) | 32 (9) | 0.456 | 0.808 |
LA active emptying fraction | 32 (9) | 38 (7) | 37 (5) | 0.059 | 0.817 |
LA passive/active ratio | 168 (2) | 122 (2) | 115 (2) | 0.032§ | 0.739 |
LA LGE, % | 8 (2) | 5 (2) | 3 (3) | <0.001§ | 0.064 |
LV parameters | |||||
LV mass, g/m2 | 62 (11) | 63 (9) | 65 (12) | 0.408 | 0.542 |
LVEF, % | 57 (4) | 61 (4) | 64 (5) | <0.001§ | 0.020§ |
LVEDV, ml/m2 | 95 (17) | 98 (10) | 94 (15) | 0.767 | 0.272 |
LVESV, ml/m2 | 41 (7) | 39 (5) | 34 (8) | 0.013§ | 0.033§ |
LV stroke volume, ml/m2 | 53 (1) | 59 (1) | 59 (1) | 0.174 | 0.980 |
LVPFR, ml/s/m2 | 266 (59) | 296 (79) | 316 (74) | 0.049 | 0.472 |
