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Table 2 Echocardiographic characteristics of participants

From: Prevalence of left ventricular diastolic dysfunction in European populations based on cross-validated diagnostic thresholds

  Entire population Reference group
Characteristics FLEMENGHO (n = 782) EPOGH (n = 476) FLEMENGHO (n = 338) EPOGH (n = 185)
Conventional echocardiography     
Left atrium volume index, ml/m2 22.9 ± 6.3 21.0 ± 5.6‡ 20.0 ± 4.3 18.2 ± 3.8‡
LV internal diameter, cm 5.04 ± 0.49 5.00 ± 0.43 4.99 ± 0.43 4.88 ± 0.40†
Interventricular septum, cm 0.98 ± 0.17 0.95 ± 0.16‡ 0.90 ± 0.13 0.85 ± 0.12‡
Posterior wall, cm 0.89 ± 0.14 0.87 ± 0.13* 0.82 ± 0.12 0.79 ± 0.11*
LV mass index, g/m2 92.5 ± 21.9 87.9 ± 20.4‡ 82.9 ± 15.4 77.9 ± 15.5‡
Ejection fraction,% 68.2 ± 7.4 62.6 ± 5.9‡ 67.1 ± 6.3 61.3 ± 5.5‡
Doppler data     
E peak, cm/s 75.4 ± 15.9 71.6 ± 15.3‡ 79.7 ± 14.7 76.1 ± 14.6†
A peak, cm/s 65.0 ± 17.5 58.6 ± 16.8‡ 55.6 ± 12.8 48.4 ± 11.6‡
E/A ratio 1.26 ± 0.48 1.33 ± 0.52† 1.52 ± 0.49 1.66 ± 0.50†
e' peak#, cm/s 11.4 ± 3.6 11.2 ± 3.6 13.8 ± 3.1 13.7 ± 2.6
a' peak#, cm/s 10.1 ± 2.1 9.23 ± 2.1‡ 9.37 ± 2.1 8.19 ± 2.0‡
e'/a' ratio# 1.24 ± 0.64 1.36 ± 0.70† 1.63 ± 0.68 1.84 ± 0.66‡
E/e' ratio 7.08 ± 2.2 6.88 ± 2.2 5.93 ± 1.2 5.65 ± 1.1†
  1. Values are mean (± SD). # Averaged of septum, lateral, inferior and posterior mitral annulus sites. * P ≤ 0.05; †P≤ 0.01; ‡P ≤ 0.001.