Research Article

Changes of Proteases, Antiproteases, and Pathogens in Cystic Fibrosis Patients’ Upper and Lower Airways after IV-Antibiotic Therapy

Table 5

Inflammation markers and ratios in controls and CF patients before and after IV-AB treatment.

Inflammatory marker or ratio concentrations

Analyte

DL
Detection frequency (%)MedianRangeP
ControlsCF prior to therapyCF after therapyControlsCF prior to therapyCF after therapyControlsCF prior to therapyCF after therapy

NL (UAW)
 NE (ng/mL)1.98100.089.5100.01.773.455.60.2–38.02.3–990.02.3–233.60.374*
0.0000°
 SLPI (ng/mL)0.0130.010.521.10.010.010.010.01–0.060.01–0.170.01–0.151.000*
0.235°
 CTSS (ng/mL)0.0785.05.321.10.040.070.070.00–0.240.07–0.140.07–1.080.125*
0.0004°
 MMP-9 (ng/mL)0.04100.0100.00.90.320.02–7.80.04–3.960.106*
 TIMP-1 (ng/mL)0.01100.0100.01.81.70.4–4.20.01–2.90.036*
 MMP-9/TIMP1n.m.100.089.5n.m.0.380.20n.m.0.0–2.30.03–17.00.359*
 NE/SLPI100.010.521.191.7919.1658.116.9–780.1791.0–1047.1301.8–2510.8n.mb.
 SLPI/CTSS
Sputum (LAW)
 NE (ng/mL)1.9861.581.3328.8697.42.3–2366.52.3–17987.20.791*
 SLPI (ng/mL)0.0138.562.50.01133.40.01–383.60.01–487.90.432*
 CTSS (ng/mL)0.07100.093.83.34.70.7–63.80.1–33.90.376
 MMP-9 (ng/mL)0.04100.0100.01359.71195.91063.2–1848.0153.5–1417.50.017*
 TIMP-1 (ng/mL)100.0100.050.766.07.5–134.20.14–480.80.191*
 MMP-9/TIMP1100.093.826.117.47.9–181.82.0–62.20.094*
 NE/SLPI23.150.03.04.90.7–7.10.5–50.2n.mb.
 SLPI/CTSS38.562.560.637.33.4–117.93.4–71.31.000*

*P value between CF prior to and after therapy, °P value between CF prior to therapy and healthy controls in UAW, DL = detection limit, n.m. = not measured, and n.mb. = not measureable.