ALB and tuberculosis: The univariate comparison of non TB vs. TB HDPs, showed no significant differences as to: efficiency of dialysis Kt/V (P = 0.30), URR (P = 0.97), serum levels of albumin (P = 0.98), serum levels of zinc (0.27), use of vitamin D supplements (P = 0.66) and BCG vaccination (P = 0.92).