Table 5.
Regression Analysis Demonstrating the Association Between Resting Tension and Various Potential Predictors (N=122)
| UnivariableAnalysis | Stepwise MultivariableAnalysis | |||
|---|---|---|---|---|
| β | P Value | β | P Value | |
| Age | −0.20 | 0.02 | ||
| Sex | −0.02 | 0.8 | ||
| Hypertension | −0.03 | 0.8 | ||
| Coronary artery disease | 0.07 | 0.4 | ||
| Betablockers | −0.02 | 0.8 | ||
| LV ejection fraction | 0.12 | 0.2 | ||
| Basal septal thickness | −0.15 | 0.11 | ||
| Resting LVOT gradient | 0.13 | 0.2 | ||
| Maximal LVOT gradient | 0.11 | 0.3 | ||
| Resting LV peak systolic pressure | 0.12 | 0.3 | ||
| Diastolic dysfunction | −0.14 | 0.15 | ||
| Mitral regurgitation | 0.08 | 0.4 | ||
| Left atrial dimension | 0.26 | 0.01 | ||
| LV end‐diastolic dimension | −0.05 | 0.6 | ||
| LV end‐systolic dimension | 0.009 | 0.9 | ||
| Basal septal strain | −0.29 | 0.001 | −0.21 | 0.01 |
| Basal septal diastolic strain rate | 0.27 | 0.003 | 0.22 | 0.01 |
| Degree of myocyte disarray on histologic specimen removed at myectomy | −0.32 | 0.001 | −0.25 | 0.001 |
| Degree of interstitial fibrosis on histologic specimen removed at myectomy | −0.37 | <0.001 | −0.28 | 0.001 |
| Degree of SICAD on histologic specimen removed at myectomy | −0.21 | 0.02 | ||
Degree of small intramural coronary arteriole dysplasia (SICAD) did not remain significant on multivariable analysis. LV indicates left ventricular; LVOT, left ventricular outflow tract.