Table 3.
Low (≤25.3%) LGE (n = 41) | High (>25.3%) LGE (n = 41) | P-value | |
---|---|---|---|
Age, years | 59 ± 10 | 61 ± 7 | 0.42 |
BSA (Mosteller)* | 2.1 ± 0.2 | 2.0 ± 0.2 | 0.15 |
CHA2DS2-VASc score | 1.1 ± 1.2 | 1.3 ± 1.1 | 0.50 |
Hypertension | 9 (22%) | 18 (44%) | 0.03 |
Diabetes mellitus | 2 (5%) | 2 (5%) | 1.00 |
LA volume index—max (ml/m2) | 48 ± 12 | 51 ± 16 | 0.36 |
LA sphericity (%) | 79.7 ± 2.8 | 79.3 ± 3.3 | 0.61 |
LA function volumetric | |||
Total LAEF (%) | 55 ± 11 | 50 ± 15 | 0.09 |
Passive LAEF (%) | 29 ± 11 | 24 ± 9 | 0.03 |
Active LAEF (%) | 25 ± 9 | 25 ± 11 | 0.98 |
LA strain | |||
LA reservoir strain (%) | − 16.9 ± 3.3 | − 15.0 ± 3.9 | 0.02 |
LA conduit strain (%) | − 9.5 ± 2.6 | − 7.9 ± 2.7 | 0.01 |
LA contractile strain (%) | − 7.4 ± 2.4 | − 7.1 ± 2.3 | 0.55 |
LA peak positive strain rate | 0.76 ± 0.27 | 0.70 ± 0.22 | 0.36 |
LA peak early negative strain rate | − 0.89 ± 0.31 | − 0.76 ± 0.35 | 0.08 |
LA peak late negative strain rate | − 0.88 ± 0.28 | − 0.80 ± 0.33 | 0.22 |
LA reservoir strain time (ms) | 396 ± 51 | 383 ± 41 | 0.22 |
LA conduit strain time (ms) | 452 ± 133 | 410 ± 130 | 0.15 |
LA contractile strain time (ms) | 137 ± 35 | 132 ± 31 | 0.51 |
Values are expressed as number (percentage) or mean ± SD. BMI body mass index, BSA body surface area, CHA2DS2VASc history of congestive heart failure, hypertension, diabetes mellitus, stroke/transient ischemic attack/prior thromboembolism, vascular disease, age and sex, LA left atrium, LAEF left atrial emptying fraction, LGE late gadolinium enhancement. Bold values denote statistical significance at the P < 0.05 level
*Calculated by the Mosteller method ((height (cm) x weight (kg)/3600)½)