The IOD of MMP-9 and LOX-1 in the three groups (mean [SD]).

IOD: integral optical density, MMP-9: matrix metalloproteinase-9, LOX-1: lectin-like oxidized low density lipoprotein receptor-1. #: P<0.05, *: P<0.01, a: compared with 0 week, b: compared with week 12; c: compared with group 1, d: compared with group 2.