MMP3 and autoimmune hepatitis: PBC subjects also had greater MMP-3 levels than AIH controls (68.9 ± 62.6 vs 22.7 ± 7.6 ng/mL, p = 0.022), PSC controls (68.9 ± 62.6 vs 37.2 ± 17.4 ng/mL, p = 0.002).