Research Article

Statin Treatment Is Associated with Reduction in Serum Levels of Receptor Activator of NF-κB Ligand and Neutrophil Activation in Patients with Severe Carotid Stenosis

Table 4

Serum cardiovascular risk markers.

CharacteristicsStatin ( )No statin ( ) -value

CRP*, mg/L 2.4 (0.96–4.03)4.1 (1.43–8.41)0.1782
OPN, ng/mL17.5 (12.8–23.8)29.4 (23.2–34.6)0.0131
RANKL, pg/mL 1022 (247–1669)1839 (1551–2803)0.0050
OPG, pg/mL167.8 (62.3–318.1)62.3 (62.3–432.0)0.0182
RANKL/OPG ratio5.8 (1.5–17.1)27.2 (15.5–43.3)0.0004
MPO, ng/mL265.2 (101.8–531.6)466.0 (313.7–841.9)0.1014
Neutrophil elastase, ng/mL211.1 (109.1–318.6)325.3 (143.1–450.2)0.1489
MMP-8, ng/mL16.5 (5.8–23.7)12.7 (4.0–24.7)0.7579
MMP-9, ng/mL231.5 (134.9–431.6)479.0 (352.8–812.5)0.0461
Pro-MMP-9 activity, ng/mL6.8 (3.1–14.4)13.1 (11.9–18.2)0.0310
MMP9/TIMP-1, ng/mL10.6 (6.4–18.4)14.4 (2.8–23.0)0.8839
TIMP-1, ng/mL191.3 (120.0–216.7)211.0 (147.6–264.6)0.3389
TIMP-2, ng/mL101.4 (65.4–124.5)97.0 (73.0–112.2)0.8078
TIMP-3, ng/mL8.1 (4.7–14.9)12.5 (6.2–13.8)0.5824
TIMP-4, ng/mL5.4 (3.6–6.6)4.2 (4.0–6.1)0.7579

Data are expressed as median (interquartile range (IQR)).
*CRP: C-reactive protein.
MMP: matrix metalloproteinase.
TIMP: tissue inhibitor of metalloproteinase.