| Control (n = 480) | Group A (n = 716) | Group B (n = 111) | Group C (n = 181) | p-value |
---|---|---|---|---|---|
Strain parameters | |||||
Radial PS (%) | 37.30 (29.00, 48.19) | 36.64 (28.58,47.58) | 29.04 (22.34, 36.86)*# | 25.51 (18.02, 33.02)*# |  < 0.001 |
Circumferential PS (%) | − 20.83 (− 23.80, − 17.71) | − 20.53 (− 23.73, − 17.56) | − 17.90 (− 20.66, − 15.04)*# | − 16.46 (− 19.06, − 12.69)*# |  < 0.001 |
Longitudinal PS (%) | − 15.70 (− 20.78, − 10.62) | − 15.68 (− 20.56, − 9.64) | − 13.73 (− 17.23, − 8.66)*# | − 10.63 (− 14.83, − 6.58)*# |  < 0.001 |
Radial systolic PSR (1/s) | 2.06 (1.58, 2.81) | 2.28 (1.69, 3.00)* | 1.75 (1.37, 2.32)*# | 1.51 (1.14, 2.03)*# |  < 0.001 |
Circumferential systolic PSR (1/s) | − 1.18 (− 1.50, − 0.99) | − 1.28 (− 1.55, − 1.02) | − 1.14 (− 1.41, − 0.94) # | − 1.02 (− 1.27, − 0.83)*#$ |  < 0.001 |
Longitudinal systolic PSR (1/s) | − 1.10 (− 1.49, − 0.76) | − 1.14 (− 1.53, − 0.71) | − 1.02 (− 1.42, − 0.63) | − 0.93 (− 1.23, − 0.61)*# |  < 0.001 |
Radial diastolic PSR (1/s) | − 2.67 (− 3.58, − 1.96) | − 2.43 (− 3.36, − 1.78)* | − 1.71 (− 2.27, − 1.24)*# | − 1.38 (− 1.94, − 1.02)*# |  < 0.001 |
Circumferential diastolic PSR (1/s) | 1.39 (1.14, 1.78) | 1.28 (1.01,1.60)* | 1.00 (0.80, 1.20)*# | 0.90 (0.73, 1.10)*# |  < 0.001 |
Longitudinal diastolic PSR (1/s) | 1.28 (0.90, 1.71) | 1.16 (0.75,1.51)* | 0.96 (0.67, 1.23)*# | 0.88 (0.60, 1.21)*# |  < 0.001 |
Tissue characteristics | |||||
LGE, n (%) | 0 (0) | 30 (4.1)* | 14 (12.6)*# | 62 (34.2)*#$ |  < 0.001 |
Mean native T1 (ms) | 1231.2 (1194.7, 1264.2) | 1252.2 (1222.8, 1287.7)* | 1278.7 (1244.8, 1305.2)*# | 1293.1 (1268.7, 1332.4)*#$ |  < 0.001 |
Mean T2 (ms) | 39.8 (37.9, 41.9) | 39.8 (38.4, 41.4) | 39.4 (38.1, 41.2) | 39.9 (38.7, 41.3) | 0.59 |
Mean ECV (%) | 25.0 (22.9, 27.0) | 25.2 (22.8, 27.7) | 25.5 (23.3, 29.4) | 26.6 (23.9, 29.7)*# |  < 0.001 |