The ratio of MMP-9/TIMP-1 appeared to decline as well in NL as in sputum but did not reach statistical significance ( Table 5 ).
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Changes of Proteases, Antiproteases, and Pathogens in Cystic Fibrosis Patients' Upper and Lower Airways after IV-Antibiotic Therapy.
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The sentences
As expected, MMP-9/TIMP-1 ratios showed a trend to decrease during systemic treatment in both airway levels (UAW: 1.9-fold, LAW: 1.5-fold, not statistically significant).