| All (n = 620) | NTproBNP < 125 (n = 503) | NTproBNP ≥ 125 (n = 117) |
---|---|---|---|
Clinical characteristics | |||
 Age (years) | 65.8 ± 8.9 | 64.6 ± 8.9 | 71.2 ± 6.5^ |
 Female | 327 (52.7%) | 263(52.3%) | 64(54.7%) |
 BMI (kg/m2) | 25.6 ± 3.3 | 25.8 ± 3.3 | 24.6 ± 3.1^ |
 smoking | 200 (32.3%) | 168 (33.4%) | 32 (27.4%) |
 Hypertension | 499 (80.5%) | 400(79.5%) | 99 (84.6%) |
 Diabetes | 176 (28.4%) | 135(26.8%) | 41 (35.0%) |
 CAD | 104 (16.8%) | 72(14.3%) | 32 (27.4%)^ |
 History of heart failure | 13 (2.1%) | 8(1.6%) | 5 (4.3%) |
 Stroke | 120 (19.4%) | 93(18.5%) | 27 (23.1%) |
 Heart rate(bpm) | 73.6 ± 13.2 | 74.1 ± 12.7 | 71.7 ± 14.8 |
 Total cholesterol(mmol/L) | 5.24 ± 1.06 | 5.28 ± 1.03 | 5.06 ± 1.15* |
 Low-density lipoprotein(mmol/L) | 3.26 ± 0.88 | 3.29 ± 0.87 | 3.10 ± 0.89* |
 High-density lipoprotein(mmol/L) | 1.32 ± 0.30 | 1.32 ± 0.30 | 1.32 ± 0.33 |
 Triglyceride (mmol/L) | 1.41 (0.98–2.01) | 1.47(1.01–2.05) | 1.21(0.90–1.72)^ |
 Blood glucose (mmol/L) | 6.57 ± 2.07 | 6.52 ± 1.88 | 6.82 ± 2.71 |
 eGFR (ml/min.1.73m2) | 87.2 ± 14.3 | 88.2 ± 14.1 | 82.5 ± 14.3* |
 Uric Acid(umol/L) | 303.3 ± 76.4 | 305.1 ± 74.8 | 295.7 ± 82.6 |
 Hs-CRP | 1.18(0.50–2.76) | 1.14(0.49–2.59) | 1.48(0.54–3.43) |
 NTproBNP (pg/ml) | 62.5(32.2–105.3) | 48.3(28.1–77.3) | 174.7(141.9–229.3) ^ |
Conventional measurements | |||
 LVDd (cm) | 4.63 ± 0.48 | 4.63 ± 0.48 | 4.62 ± 0.49 |
 LVEF(%) | 70.8 ± 9.4 | 70.9 ± 9.2 | 70.4 ± 10.3 |
 LVMI (g/m2) | 91.6 ± 22.5 | 90.3 ± 22.4 | 97.0 ± 22.6^ |
 LAVI (ml/m2) | 17.9 ± 4.8 | 17.4 ± 4.7 | 20.1 ± 4.9^ |
 E/A | 0.85 ± 0.24 | 0.85 ± 0.24 | 0.85 ± 0.24 |
 E'(cm/s) | 7.6 ± 2.1 | 7.8 ± 2.1 | 6.9 ± 1.9^ |
 A'(cm/s) | 11.2 ± 1.7 | 11.4 ± 1.7 | 10.6 ± 1.7^ |
 E/E’ ratio | 10.8 ± 3.5 | 10.4 ± 3.2 | 12.6 ± 4.0^ |
 E/E' > 14 | 99(16.0%) | 58(11.5%) | 41(35.0%)^ |
 VTR (m/s) | 2.46 ± 0.33 | 2.44 ± 0.31 | 2.53 ± 0.37* |
 VTR > 2.8 m/s | 69(11.1%) | 41(8.2%) | 28(23.9%)^ |
LA strain and SR | |||
 LA reservoir function | |||
  εR(%) | 21.61 ± 5.47 | 22.00 ± 5.50 | 19.93 ± 5.00^ |
  SRs(s−1) | 1.09 ± 0.31 | 1.11 ± 0.31 | 0.97 ± 0.28^ |
 LA conduit function | |||
  εCD (%) | 9.99 ± 4.41 | 10.08 ± 4.33 | 9.62 ± 4.73 |
  SRe(s−1) | 0.91 ± 0.50 | 0.91 ± 0.36 | 0.88 ± 0.86 |
 LA contractile function | |||
  εCT(%) | 11.62 ± 3.70 | 11.93 ± 3.79 | 10.30 ± 2.96^ |
  SRa(s−1) | 1.53 ± 0.53 | 1.58 ± 0.54 | 1.32 ± 0.38^ |
  LASI | 0.54 ± 0.25 | 0.51 ± 0.23 | 0.68 ± 0.30 ^ |