ACE and type 2 diabetes mellitus: With respect to ACE alleles, Chi-square tests resulted in P values as follows; healthy versus pooled T2DM (P = 0.741), normoalbuminuria versus microalbuminuria (P = 0.112), normoalbuminuria versus macroalbuminuria (P = 0.467) and normoalbuminuria versus ESRF (P = 0.235).