In contrast, RA post-BCD had significantly higher Ki67 expression compared to untreated RA in both the SM (63.5±4.7% vs. 17.2±4.6, p = 0.005) and DN compartments (39.9±8.1% vs. 11.5±2.1, p = 0.05). Here, MKI67 is linked to rheumatoid arthritis.