BioMed Research International / 2018 / Article / Fig 2

Research Article

Matrix Metalloproteinase-9 Is a Predictive Factor for Systematic Hypertension and Heart Dysfunction in Patients with Obstructive Sleep Apnea Syndrome

Figure 2

Comparison of serum MMP-9 levels in different OSAS subgroups. (a) Serum level of MMP9 was higher in patients with moderate or severe OSAS (AHI ≥ 15) than that with mild OSAS (5 ≤ AHI < 15). (b) OSAS patients presenting with systematic hypertension (≥140/90 mm Hg) showed higher serum MMP-9 levels (). compared with mild group.

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