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Plasma levels (ng/ml) of MMP8 (a) and MMP9 (b) in patients with acute aortic dissection (AAD) and in patients receiving a final alternative diagnosis. Y-axis: log2 scale. ***P <0.0001, ¶¶¶P = 0.0001 by nonparametric Mann-Whitney U test. (c) Correlation of plasma MMP8 and plasma MMP9 in enrolled patients. MMP, matrix metalloproteinase.
