Table 3.
Abnormal PTFV1 is an independent predictor for CaMKII activity
|
n = 20
|
Univariate linear regression analysis |
Multivariate linear regression analysis Adj. r 2 = 0.255; P = 0.032 |
||
|---|---|---|---|---|
| CaMKII activity (normalized to CaMKII expression) | B (95% CI) | P‐value | B (95% CI) | P‐value |
| Abnormal PTFV1 (≥4000 ms*μV) | 0.591 (0.106; 1.077) | 0.020 | 0.542 (0.057; 1.027) | 0.031 |
| Age (years) | −0.022 (−0.053; 0.008) | 0.143 | −0.017 (−0.045; 0.011) | 0.210 |
| Male | 0.032 (−0.620; 0.683) | 0.920 | ||
| Body mass index (kg/m2) | 0.012 (−0.058; 0.082) | 0.729 | ||
| Paroxysmal atrial fibrillation | 0.205 (−0.579; 0.988) | 0.590 | ||
| Existing heart failure | 0.035 (−0.540; 0.611) | 0.899 | ||
| eGFR (mL/min/1.73 m2) | −0.001 (−0.012; 0.009) | 0.781 | ||
CaMKII, Ca/calmodulin‐dependent protein kinase II; CI, confidence interval; eGFR, estimated glomerular filtration rate; PTFV1, P‐wave terminal force in lead V1.
Linear regression analyses between an abnormal PTFV1 and CaMKII activity in right atrial appendage biopsies of patients undergoing coronary artery bypass grafting. Bold font is used to highlight statistically significant P‐values < 0.05.