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Figure 1 Plasma cardiotrophin-1 (CT-1) concentrations in control subjects and in congestive heart failure (CHF) patients with dilated cardiomyopathy. Mild CHF = New York Heart Association (NYHA) functional class II; severe CHF = NYHA functional class III–IV. *p < 0.05 versus the value of control subjects; #p < 0.05 versus the value of the mild CHF.