Table 3. LA volume parameters from CMR.
| Characteristics | HTN-HFpEF (n=24) | HTN (n=30) | Control (n=30) | P value |
|---|---|---|---|---|
| LATEF, % | 47.59±8.91a | 57.88±6.03b | 67.46±4.59 | <0.001 |
| LAPEF, % | 20.65±7.29a | 29.03±5.36b | 41.47±5.64 | <0.001 |
| LAAEF, % | 26.99 (21.54, 32.68) | 28.71 (24.28, 33.88) | 24.81 (22.26, 29.75) | 0.113 |
| LAVmax, mL | 72.11 (63.89, 90.93)b | 61.24 (52.02, 80.94)b | 48.62 (42.99, 55.51) | <0.001 |
| LAVmin, mL | 36.67 (30.73, 48.83)a | 26.91 (20.69, 30.98)b | 15.62 (13.22, 17.56) | <0.001 |
| LAVI, mL/m2 | 41.73 (35.88, 53.67)a | 35.45 (29.42, 41.84) | 29.43 (26.13, 35.15) | <0.001 |
The data are presented as the mean ± standard deviation or median with interquartile range. a, P<0.05 vs. controls and HTN group; b, P<0.05 vs. controls. LA, left atrial; CMR, cardiac magnetic resonance; HTN-HFpEF, hypertension with heart failure with preserved ejection fraction; HTN; hypertension; LATEF, left atrial total ejection fraction; LAPEF, left atrial passive ejection fraction; LAAEF, left atrial active ejection fraction; LAVmax, maximum of left atrial volume; LAVmin, minimum of left atrial volume; LAVI, left atrial volume index.