Table 5

ANOVA Results From Changes in LVEF Overtime by QRS Group in Patients on GDMT

Unadjusted (n = 445)Adjusted (n = 444)
Mean ChangeEffect Estimate
(95% CI)
ANOVA
p Value
LS Mean ChangeEffect Estimate
(95% CI)
ANOVA
p Value
LBBB3.59 ± 9.32<0.00012.02 ± 14.12<0.0001
WQRS5.05 ± 9.241.46 (–2.98 to 5.89)4.50 ± 13.132.48 (–1.90 to 6.86)
NQRS10.19 ± 12.116.60 (3.73 to 9.46)8.18 ± 21.936.15 (3.29 to 9.02)
Tukey Multiple Comparison–Adjusted Analyses
ComparisonUnadjusted Tukey
p Value
Adjusted Tukey
p Value
LBBB vs. NQRS<0.0001<0.0001
LBBB vs. WQRS0.79440.5068
NQRS vs. WQRS0.02280.1242

Abbreviations as in Tables 1 and 3.

  • Adjusted for baseline LVEF, medical therapy, history of atrial fibrillation/flutter, age, sex, history of cerebrovascular disease, prior MI, baseline heart rate on ECG, history and duration of heart failure, and left atrium size; 1 patient excluded due to missing HR.