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Figure 2 The Primary End Point, the HF Clinical Composite Response at 6, 12, 18, and 24 Months

The p values compare percent worsened in CRT OFF versus CRT ON at each time point; n = 262 European patients at each time point. Error bars are exact 95% confidence intervals. CRT OFF = control group; CRT ON = actively treated group; HF = heart failure; NYHA = New York Heart Association.