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Figure 4 Effect of CRT on the HF Clinical Composite Response Among Pre-Specified Study Subgroups
Analysis of the percentage of patients worsened, according to the HF clinical composite end point, with odds ratios and 95% confidence intervals (CIs). Lower odds ratios favor CRT ON. An odds ratio of 0.5 means that the likelihood of being worsened with CRT ON is 50% of that with CRT OFF. The subgroups of age, systolic blood pressure, ejection fraction, end-systolic volume index, QRS width, interventricular mechanical delay (IVMD), and glomerular filtration rate are divided according to the median value in the entire study sample, including the U.S. patients. ICD = implantable cardioverter-defibrillator; other abbreviations as in Figure 2.
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