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Table 2 LV strain measurements in group HT-NEF and HT-REF

From: Investigation on left ventricular multi-directional deformation in patients of hypertension with different LVEF

  NC HT-NEF (LVEF ≥ 50%) HT-REF (LVEF < 50%)
n = 40 n = 81 n = 42
SL(%) −20.16 ± 2.75 −18.27 ± 3.74 −11.34 ± 3.85
SC-mv(%) −18.31 ± 2.91 −17.54 ± 3.60 −10.54 ± 3.59
SC-pm(%) −18.01 ± 2.79 −18.14 ± 3.02 −11.09 ± 4.12
SC-ap(%) −21.37 ± 14.71 −23.01 ± 6.96 −15.01 ± 6.65
SR-mv(%) 43.99 ± 19.47 40.69 ± 14.48 20.42 ± 8.61
SR-pm(%) 42.75 ± 18.53 46.90 ± 16.95 22.83 ± 12.66
SR-ap(%) 22.84 ± 17.10 19.78 ± 17.22 11.94 ± 8.17
  1. Data expressed as mean ± standard deviation (SD); LV left ventricular, NC normal controls, LVEF left ventricular ejection fraction, HT-NEF hypertension with normal LVEF, HT-REF hypertension with reduced LVEF, SL longitudinal strain, SC circumferential strain, SR radial strain; −mv, −pm, −ap indicates basal level, papillary and apical level;
  2. p < 0.05 vs NC; p < 0.05 vs group HT-NEF