In addition, TNF alpha levels demonstrated a trend to be higher in patients with higher NYHA functional class, although they did not reach statistical significance on directly comparing each of Classes I and II, or Classes III and IV.
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The Relationship between Tumor Necrosis Factor Alpha and Left Ventricular Diastolic Function.
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The sentences
Mean serum TNF showed a trend toward increase with worsening heart failure symptoms in the form of increased the New York Heart Association functional class.
The mean serum TNF showed a significant trend toward increase with increasing NYHA functional class, P (for trend) <0.0001.