Table 4.
Correlations between the TTE parameters and LV sensing and pacing.
| Parameter | LV Sensing | LV Pacing | ||||
|---|---|---|---|---|---|---|
| r | 95% CI | p | r | 95% CI | p | |
| LVEF (Simpson) | 0.534 | 0.301; 0.716 | ˂0.001 | −0.363 | −0.608; −0.113 | 0.011 |
| LV-GLS | 0.650 | 0.407; 0.816 | ˂0.001 | −0.567 | −0.765; −0.317 | ˂0.001 |
| LV-PLS | 0.469 | 0.159; 0.726 | 0.001 | −0.555 | −0.793; −0.271 | ˂0.001 |
| LAV (mL) | −0.574 | −0.750; −0.333 | ˂0.001 | 0.385 | 0.122; 0.599 | 0.007 |
| TAPSE (cm) | 0.417 | 0.179; 0.616 | 0.003 | −0.373 | −0.597; −0.078 | 0.009 |
| sPAP (mmHg) | −0.270 | −0.497; −0.002 | 0.064 | 0.124 | −0.169; 0.401 | 0.402 |
Legend: LV—left ventricle; LVEF—left ventricular ejection fraction; LV-GLS—left ventricular global longitudinal strain; LV-PLD—left ventricular postero-lateral strain; r—correlation coefficient; CI—confidence interval; p—statistical significance; Spearman correlation test. Statistically significant p < 0.05.