PTH and Hepatic fibrosis: ALA: delta-aminolevulinic acid; PBG: porphobilinogen; PPD: probing pocket depth; CAL: clinical attachment loss; DMFT: decayed missing filled teeth; PTH: parathyroid hormone; eGFR: estimated glomerular filtration rate; FIB4: liver fibrosis index 4; PAI-1: plasminogen activator inhibitor-1; IL-interleukins; CCL: chemokine ligands; CXCL: CXC-motif chemokine ligand; VEGF: vascular endothelial growth factor.