Table 2.
Abnormal PTFV1 predicts independently pathological atrial function
| n = 56 | Univariate linear regression analysis |
Multivariate linear regression analysis Adj. r 2 = 0.402; P < 0.001 |
||
|---|---|---|---|---|
| LA conduit strain (%) | B (95% CI) | P‐value | B (95% CI) | P‐value |
| Abnormal PTFV1 (≥4000 μV*ms) | −8.703 (−14.521; −2.885) | 0.004 | −7.336 (−13.577; −1.095) | 0.022 |
| Age (years) | −0.426 (−0.691; −0.160) | 0.002 | −0.416 (−0.683; −0.149) | 0.003 |
| LVEF (%) | 0.548 (0.280; 0.815) | <0.001 | 0.419 (1.121; 0.717) | 0.007 |
| NT‐pro‐BNP (pg/mL) | −0.002 (−0.004; 0.000) | 0.096 | 0.002 (−0.001; 0.004) | 0.171 |
| CK max (U/L) | −0.002 (−0.004; 0.000) | 0.121 | −0.001 (−0.003; 0.001) | 0.478 |
| STEMI | −1.158 (−13.077; 10.762) | 0.845 | ||
| Male | −0.893 (−8.034; 6.248) | 0.803 | ||
| Body mass index (kg/m2) | −0.186 (−1.059; 0.687) | 0.671 | ||
| systolic blood pressure (mmHg) | 0.025 (−0.111; 0.160) | 0.717 | ||
CI, confidence interval; CK, creatine kinase; LA, left atrial; LVEF, left ventricular ejection fraction; NT‐pro‐BNP, N‐terminal pro‐brain natriuretic peptide; PTFV1, P‐wave terminal force in lead V1; STEMI, ST‐elevation myocardial infarction.
Linear regression analyses between an abnormal PTFV1 and left atrial conduit strain in patients with acute myocardial infarction. Bold font is used to highlight statistically significant P‐values < 0.05.