Table 6. Correlation coefficients between interleukin-6 levels and left-sided echocardiographic parameters.
| Parameters | Whole study group | Controls | GH | PE | GH + PE |
| AP diameter of LA | 0.239° | 0.318* | 0.081 | 0.139 | 0.089 |
| Ind AP diameter of LA | 0.032 | -0.122 | 0.171 | 0.104 | 0.132 |
| Ind LA volume | 0.094 | -0.108 | 0.033 | 0.212 | 0.107 |
| Septum (diastolic) | 0.184° | 0.285° | -0.105 | -0.158 | -0.133 |
| Posterior wall (diastolic) | 0.118 | 0.210 | -0.118 | -0.109 | -0.102 |
| EDD | 0.293** | 0.356* | 0.117 | 0.358* | 0.238* |
| ESD | 0.317 | 0.401* | 0.219 | 0.333* | 0.268* |
| Ind EDD | 0.085 | -0.065 | 0.187 | 0.316 | 0.257 |
| Ind ESD | 0.128 | 0.021 | 0.252 | 0.353* | 0.278* |
| EDV biplane | 0.186* | 0.179 | -0.171 | 0.327* | 0.078 |
| Ind EDV biplane | 0.061 | -0.070 | -0.207 | 0.407* | 0.112 |
| ESV biplane | 0.146 | 0.225 | -0.193 | 0.227 | 0.000 |
| Ind ESV biplane | 0.047 | 0.022 | -0.192 | 0.220 | 0.011 |
| LVMI | 0.234** | 0.441" | 0.221 | -0.025 | 0.081 |
| EF (S) | -0.023 | -0.130 | 0.152 | 0.040 | 0.099 |
| SV (VTI) | 0.215* | 0.322* | 0.052 | 0.150 | 0.097 |
| Cardiac index | 0.162 | 0.135 | 0.163 | 0.237 | 0.219 |
| E/A | 0.069 | 0.007 | 0.295 | -0.129 | 0.089 |
| E-DT | -0.128 | 0.032 | -0.019 | -0.140 | -0.066 |
| e' medial | -0.097 | -0.271 | 0.357* | 0.079 | 0.189 |
| e' lateral | -0.133 | -0.232 | 0.110 | 0.047 | 0.061 |
| e' mean | -0.112 | -0.258 | 0.244 | 0.074 | 0.137 |
| E/e' mean | 0.206* | 0.176 | 0.123 | -0.209 | -0.003 |
| S medial | -0.174 | -0.173 | 0.123 | -0.178 | -0.046 |
| S lateral | -0.255** | -0.225 | 0.076 | -0.300 | -0.143 |
| LV GLS | 0.211 | 0.220 | -0.146 | -0.140 | -0.093 |
*p < 0.05, **p < 0.01, ***p < 0.001
GH: gestational hypertension; PE: pre-eclampsia; AP: anterior–posterior;
LA: left atrium; ind: indexed to BSA; EDD: end-diastolic dimension; ESD: end-systolic dimension; EDV: end-diastolic volume of the left ventricle; ESV: end-systolic volume of the left ventricle; LVMI: left ventricular mass index; EF (S): ejection fraction of the left ventricle, Simpson’s method; SV: stroke volume, calculated using VTI; E/A: ratio of the E wave and A wave of the mitral flow; E–DT: deceleration time of the E wave; e′: peak early diastolic velocity of the mitral annulus; E/e′: ratio of the E wave of the mitral flow and e′ of the mitral annulus; S: peak systolic velocity of the mitral annulus; LV GLS: global longitudinal strain of the left ventricle.