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Table 4 Comparison of regional left atrial function between the NOHCM and control groups

From: Quantification of left atrial function in patients with non-obstructive hypertrophic cardiomyopathy by cardiovascular magnetic resonance feature tracking imaging: a feasibility and reproducibility study

 NOHCMHealthy controlP-value
n = 33n = 28
εs (%)
 Anterior41.4 ± 26.448.0 ± 20.70.27
 Antero-roof50.6 ± 23.246.5 ± 19.30.57
 Inferior29.7 ± 19.947.9 ± 18.9< 0.01
 Septal28.0 ± 21.534.1 ± 16.80.11
 Septal-roof30.5 ± 19.637.3 ± 13.40.22
 Lateral37.3 ± 22.148.0 ± 19.90.17
εe (%)
 Anterior20.0 ± 13.625.3 ± 14.50.13
 Antero-roof19.8 ± 14.619.4 ± 10.40.64
 Inferior14.7 ± 18.128.1 ± 18.7< 0.01
 Septal15.8 ± 15.119.3 ± 11.50.11
 Septal-roof16.1 ± 11.121.4 ± 8.30.10
 Lateral19.7 ± 15.227.5 ± 15.10.30
εa (%)
 Anterior21.4 ± 14.722.8 ± 13.00.71
 Antero-roof30.9 ± 11.627.1 ± 12.90.23
 Inferior15.0 ± 11.919.8 ± 10.90.09
 Septal12.2 ± 9.914.9 ± 12.60.37
 Septal-roof14.4 ± 13.515.9 ± 11.60.51
 Lateral17.6 ± 13.420.5 ± 11.60.56
SRs (s−1)
 Anterior1.5 ± 0.91.7 ± 0.70.23
 Antero-roof1.7 ± 0.71.6 ± 0.80.61
 Inferior1.3 ± 0.61.6 ± 0.70.08
 Septal1.1 ± 0.61.2 ± 0.40.5
 Septal-roof1.1 ± 0.61.4 ± 0.60.03
 Lateral1.3 ± 0.61.4 ± 0.50.49
SRe (s−1)
 Anterior−0.8 ± 0.5−1.0 ± 0.50.09
 Antero-roof−1.1 ± 0.7−0.9 ± 0.60.28
 Inferior− 0.7 ± 0.6−1.0 ± 0.60.04
 Septal− 0.8 ± 0.4− 0.9 ± 0.50.18
 Septal-roof−0.6 ± 0.3−1.1 ± 0.5< 0.01
 Lateral−0.8 ± 0.6−1.2 ± 0.70.07
SRa (s−1)
 Anterior−1.1 ± 0.8−1.2 ± 0.60.85
 Antero-roof−0.9 ± 0.6−1.4 ± 0.7< 0.01
 Inferior−1.1 ± 0.7−1.0 ± 0.80.53
 Septal−0.9 ± 0.4−0.6 ± 0.70.08
 Septal-roof−0.8 ± 0.6−0.9 ± 0.60.94
 Lateral−1.2 ± 0.7− 1.1 ± 0.50.61
  1. Data are expressed as mean ± SD
  2. εs total strain, εe passive strain, εa active strain, SRs peak positive strain rate, SRe peak early negative strain rate, SRa peak late negative strain rate