Comparison of conventional echo parameters, diastolic and systolic functions, aortic elastic properties in newly diagnosed type 2 DM patients and control groups
| Group 1 (n=273) | Group 2 (n=139) | p | |
|---|---|---|---|
| EF (%) | 62.7 ±2.5 | 68.6 ± 1.8 | <0.001 |
| LVESD (cm) | 2.58 ±0.43 | 2.42 ±0.32 | <0.001 |
| LVEDD (cm) | 4.59 ±0.42 | 4.51 ±0.38 | 0,068 |
| IVS (cm) | 1.11 ±0.19 | 0.85 ±0.14 | <0.001 |
| PW (cm) | 1.10 ±0.47 | 0.86 ±0.13 | <0.001 |
| Aortic root diameter (cm) | 2.70 ±0.33 | 2.45 ±0.30 | <0.001 |
| Left atrium diameter (cm) | 3.51 ±0.38 | 3.12 ±0.38 | <0.001 |
| Mitral E (m/sec) | 0.65 ±0.15 | 0.72 ±0.17 | <0.001 |
| Mitral A (m/sec) | 0.78 ±0.15 | 0.668 ±0.16 | <0.001 |
| Mitral EDT (ms) | 234.7 ±59.6 | 186.9 ±37.7 | <0.001 |
| E/A | 0.87 ±0.29 | 1.38 ±0.20 | <0.001 |
| E/E’ lateral | 7.63 ±2.54 | 6.47 ±1.74 | <0.001 |
| E/E’ septal | 10.40 ±2.83 | 8.33 ±1.82 | <0.001 |
| Aortic strain (%) | 6.53±3.98 | 14.8±6.02 | <0.001 |
| Aortic stiffness index | 1.15±0.93 | 0.39±0.19 | <0.001 |
| Aortic distensibility (cm2/dyn1/103) | 2.61±1.87 | 6.56±3.24 | <0.001 |
Linear regression analysis to determine the relation between aortic elastic properties with body composition parameters
| Table Multivariate Linear Regression Analysis for Aortic Elasticity Parameters | |||||
| B | Standard Error | Beta | |||
| Variables | Dependent variable | Aortic stiffness | t | P | |
| TPI | 0.073 | 0.011 | 0.745 | 6.802 | <0.001 |
| Waist to Hip ratio | −24.854 | 9.764 | −1.882 | −2.545 | 0.012 |
| BRI | −0.174 | 0.083 | −0.432 | −2.105 | 0.037 |
| WC (cm) | 0.281 | 0.099 | 4.151 | 2.831 | 0.005 |
| HC (cm) | −0.255 | 0.089 | −3.177 | −2.874 | 0.005 |
| Dependent variable | Aortic strain | ||||
| TPI | −0.458 | 0.83 | −0.649 | −5.537 | <0.001 |
| VAI | −0.799 | 0.418 | −0.152 | −1.911 | 0.058 |
| BRI | 3.141 | 1.672 | 1.075 | 1.878 | 0.062 |
| BAI | −0.725 | 0.355 | −0.796 | −2.042 | 0.043 |
| WC (cm) | −0.507 | 0.232 | −1.034 | −2.183 | 0.031 |
| HC (cm) | −0.507 | 0.172 | 0.873 | 2.945 | 0.004 |
| Dependent variable | Aortic distensibility | ||||
| TPI | −0.243 | 0.042 | −0.666 | −5.743 | <0.001 |
| Waist to Hip ratio | 74.469 | 40.498 | 1.507 | 1.839 | 0.068 |
| BRI | 2.256 | 0.965 | 1.495 | 2.337 | 0.021 |
| BAI | −0.499 | 0.201 | −1.061 | −2.487 | 0.014 |
| WC (cm) | −1.062 | 0.462 | −4.191 | −2.297 | 0.023 |
| HC (cm) | 0.968 | 0.403 | 3.222 | 2.402 | 0.018 |
Comparison of demographic, laboratory and body composition parameters between the groups
| Group 1 (n=273) | Group 2 (n=139) | p | |
|---|---|---|---|
| Age (year) | 50.6 ± 10.2 | 44.1 ± 8.6 | <0.001 |
| Gender (F, n-%) | 144 – 52.7 | 90 – 64.7 | 0.020 |
| Obesity (n-%) | 153 – 56 | 2 – 1.4 | <0.001 |
| Smoking (n-%) | 99 – 36.3 | 62 – 44.6 | 0.101 |
| BMI (kg/m2) | 30.9 ±5.6 | 235.6 ± 2.9 | <0.001 |
| WC (cm) | 107.2 ±11.5 | 89.1 ±11.3 | <0.001 |
| HC (cm) | 109.9 ±11.0 | 99.7 ± 7.2 | <0.001 |
| Waist to Height ratio | 0.65±0.08 | 0.53±0.06 | <0.001 |
| Waist to Hip ratio | 0.97±0.06 | 0.89±0.08 | <0.001 |
| TPI | 18.8±3.9 | 14.2±2.0 | <0.001 |
| VAI | 4.14±8.35 | 1.43±0.85 | <0.001 |
| BSI | 0.08±0.05 | 0.08±0.02 | 0.368 |
| BRI | 6.74±2.01 | 4.12±1.35 | <0.001 |
| BAI (%) | 40.3±9.3 | 28.5±4.5 | <0.001 |
| CMI | 3.86±8.90 | 1.01±0.64 | <0.001 |
| SBP (mm/Hg) | 138.7 ±19.5 | 120.8 ±15.3 | <0.001 |
| DBP (mm/Hg) | 84.2 ±12.5 | 73.8 ±12.1 | <0.001 |
| Heart Rate (/dk) | 84.9 ±12.8 | 78.5±8.5 | <0.001 |
| Glucose (mg/dL) | 184.9 ± 79.3 | 90.8 ± 7.1 | <0.001 |
| Urea (mg/dL) | 27.7 ±8.1 | 26.9 ± 8.2 | 0.427 |
| Creatinine (mg/dL) | 0.72 ±0.16 | 0.72 ±0.14 | 0.837 |
| AST (U/L) | 21.8 ±13.1 | 18.5 ±8.3 | 0.025 |
| ALT (U/L) | 30.2 ±26.8 | 17.2 ±11.5 | <0.001 |
| Total Cholesterol (mg/dL) | 211.7 ± 58.7 | 194.3 ±37.6 | 0.090 |
| HDL (mg/dL) | 45.2 ±13.9 | 56.8 ±13.5 | <0.001 |
| LDL (mg/dL) | 127.9 ±40.5 | 117.8 ±33.2 | 0.0360 |
| Triglyceride (mg/dL) | 201.3 ±149.0 | 97.5±41.1 | <0.001 |
| HbA1c (%) | 8.78 ±2.35 | 5.39 ±0.29 | <0.001 |
| Insulin (mU/L) | 12.9 ± 8.3 | 8.1 ± 4.4 | 0.004 |
| Homa-IR | 5.37 ± 3.72 | 1.85 ±1.06 | <0.001 |
| CRP (mg/L) | 6.84±6.95 | 2.10±2.57 | <0.001 |
| WBC ( 109 /L) | 8.05 ±2.32 | 6.80 ±1.97 | 0.011 |
Spearman correlation of aortic elastic properties with body composition and glycemic parameters
| AS | Rho | P | ASI | Rho | P | AD | Rho | P |
|---|---|---|---|---|---|---|---|---|
| BMI (kg/m2) | −0.365 | <0.001 | 0.317 | <0.001 | −0.383 | <0.001 | ||
| WC | −0.375 | <0.001 | 0.320 | <0.001 | −0.390 | <0.001 | ||
| HC | −0.265 | <0.001 | 0.214 | <0.001 | −0.269 | <0.001 | ||
| WtHeightR | −0.366 | <0.001 | 0.316 | <0.001 | −0.384 | <0.001 | ||
| WtHipR | −0.352 | <0.001 | 0.316 | <0.001 | −0.366 | <0.001 | ||
| TPI | −0.490 | <0.001 | 0.456 | <0.001 | −0.516 | <0.001 | ||
| VAI | −0.383 | <0.001 | 0.334 | <0.001 | −0.366 | <0.001 | ||
| BSI | −0.010 | 0.978 | −0.110 | <0.001 | −0.005 | <0.001 | ||
| BRI | −0.366 | <0.001 | 0.318 | <0.001 | −0.385 | <0.001 | ||
| BAI | −0.361 | <0.001 | 0.317 | <0.001 | −0.345 | <0.001 | ||
| CMI | −0.441 | <0.001 | 0.392 | <0.001 | −0.432 | <0.001 | ||
| HbA1c (%) | −0.471 | <0.001 | 0.442 | <0.001 | −0.481 | <0.001 | ||
| Glucose | −0.474 | <0.001 | 0.437 | <0.001 | −0.476 | <0.001 |
Binary regression analysis in order to eliminate potential bias in regard to demographic characteristics between the groups
| Univariate | Multivariate | |||||
|---|---|---|---|---|---|---|
| OR | 95% CI | P value | OR | 95% CI | P value | |
| Age | 1.039 | 1.016 – 1.062 | 0.001 | 0.818 | 0.640 – 1.046 | 0.109 |
| Gender, female | 0.608 | 0.399 – 0.926 | 0.021 | |||
| Aortic stiffness index | 1.729 | 1.501 – 1.979 | <0.001 | 1.884 | 1.295 – 2.741 | 0.001 |
| Aortic strain | 0.966 | 0.959 – 0.972 | <0.001 | |||
| Aortic distensibility | 0.931 | 0.917 – 0.945 | <0.001 | |||
| SBP | 1.064 | 1.048 – 1.081 | <0.001 | |||
| DBP | 1.072 | 1.051 – 1.093 | <0.001 | |||
| WC | 1.158 | 1.125 – 1.192 | <0.001 | |||
| HC | 1.136 | 1.101 – 1.172 | <0.001 | |||
| BMI | 1.478 | 1.363 – 1.601 | <0.001 | 1.752 | 1.215 – 2.526 | 0.003 |
| Waist to Height ratio | 8.905 | 5.695 – 13.923 | <0.001 | |||
| Waist to Hip ratio | 5.005 | 3.434 – 7.293 | <0.001 | |||
| VAI | 3.248 | 2.411 – 4.376 | <0.001 | |||
| BRI | 2.648 | 2.162 – 3.244 | <0.001 | |||
| BAI | 1.303 | 1.191 – 1.425 | <0.001 | |||