Table 7.
Correlation of thyroid-stimulating hormone and free T3 with echocardiographic parameters
| Parameters | Pearson’s correlation coefficient for thyroid-stimulating hormone (TSH) | P-value (TSH) | Pearson’s correlation coefficient for free T3 | P-value (FT3) |
|---|---|---|---|---|
| LVEF | −0.402 | <0.01* | 0.365 | <0.01* |
| FS | −0.396 | <0.01* | 0.347 | <0.01* |
| CO | −0.283 | <0.05* | 0.319 | <0.05* |
| CI | −0.259 | <0.05* | 0.301 | <0.05* |
| AOVMAX | −0.406 | <0.01* | 0.390 | <0.05* |
| MVCF | −0.517 | <0.01* | 0.370 | <0.01* |
| LVE | −0.368 | <0.01* | 0.301 | <0.01* |
| LVA | −0.309 | <0.01* | 0.307 | <0.01* |
| LVE/A | −0.013 | >0.05 | 0.133 | >0.05 |
| LVIVRT | −0.033 | >0.05 | 0.129 | >0.05 |
| LVDT | −0.064 | >0.05 | 0.206 | >0.05 |
| PFR | −0.068 | >0.05 | 0.267 | >0.05 |
| RVE | −0.402 | <0.01 | 0.417 | <0.01 |
| RVA | −0.396 | <0.01 | 0.365 | <0.01 |
| RVE/A | −0.145 | >0.05 | −0.145 | >0.05 |
| RVDT | −0.158 | >0.05 | −0.106 | >0.05 |
Note:
P-value <0.05 is significant.
Abbreviations: CI, cardiac index; AOVMAX, peak aortic maximal velocity; MVCF, mean velocity of circumferential fibre shortening; LVE, left ventricular E wave velocity; LVA, left ventricular A wave velocity; LVE/A, left ventricular E wave velocity/A wave velocity ratio; LVDT, left ventricular E wave deceleration time; PFR, peak filling rate; RVE, right ventricular E wave velocity; RVA, right ventricular A wave velocity; RVE/A, right ventricular E wave velocity/right ventricular A wave velocity ratio; RVDT, right ventricular E wave deceleration time; T3, triodothyronine; FT3, free triodothyronine; LVIVRT, left ventricular isovolumic relaxation time; LVEF, left ventricular ejection fraction.