Control group, uric acid (160 μmol/L#), albumin (14 μmol/L#), ascorbic acid (9 μmol/L#), TAC (340 μmol/L#); Periodontitis group, uric acid (140 μmol/L#), albumin (11 μmol/L#), ascorbic acid (7 μmol/L#), TAC (220 μmol/L#). This evidence concerns the gene ALB and periodontitis.