Table 3.
Binary logistic regression analysis for occurrence of prolonged HV interval on EPS
| Univariate |
Multivariate |
|||||
|---|---|---|---|---|---|---|
| OR | CI | P-Value | OR | CI | P-Value | |
| Age | 1.01 | 0.97–1.05 | 0.59 | |||
| Gender | 0.69 | 0.31–1.52 | 0.35 | |||
| PR interval >200 ms | 4.85 | 1.76–13.40 | 0.002 | 8.45 | 2.64–27.04 | 0.000 |
| QRS complex >120 ms | 6.43 | 2.59–16.01 | 0.000 | 9.91 | 3.53–27.80 | 0.000 |
| High MIRS score (4–5) | 1.67 | 0.72–3.85 | 0.23 | |||
A prolonged HV interval was defined as ≥70 ms on electrophysiological study.
CI, confidence interval; EPS, electrophysiological study; HV, His-ventricle; MIRS, muscular impairment rating scale with high MIRS scores (4–5) indicating extensive muscle weakness; OR, odds ratio.