Table 3.
Improvement in LV dyssynchrony and occurrence of the primary outcome
| Variable | Odds ratio (95% CI) | |
|---|---|---|
| Unadjusted | Adjusted | |
| Improvement in LV dyssynchrony by SPECT | 1.04 (1.01, 1.07) | 1.04 (1.01, 1.07), P = .007 |
| Age (years) | 1.0 (0.98, 1.0) | 1.0 (0.95, 1.08), P = .744 |
| Females | 0.51 (0.25, 1.1) | 0.58 (0.12, 2.84), P = .502 |
| QRS duration (ms) | 1.0 (0.99, 1.0) | 1.0 (0.99, 1.02), P = .638 |
| NYHA (III & IV) at baseline | 0.86 (0.4, 1.9) | 2.70 (0.68, 10.77), P = .16 |
| LVEF at baseline | 1.0 (0.97, 1.0) | 0.92 (0.85, 1.00), P = .061 |
| LVESV at baseline | 0.99 (0.99, 1.0) | 0.99 (0.98, 1.0), P = .045 |
CI, confidence interval; LVEF, left ventricular ejection fraction; LVESV, left ventricular end-systolic volume; NYHA, New York Heart Association; SPECT, single-photon emission computed tomography