Association of erytrhocyte markers (ABO, MNSs, Rh, Lewis, PI) to recurrences, anatomical and functional abnormalities in children with urinary tract infectionsTc contribute to the idenllocation of children with unary tract infection |UT.] at increased risk of -ecurrences or abnormal f : ndings at imcge workup sljdies (ccrnp'ications;, associations oeKveen these and red blood cells markers erithrocyle I.ABO, MNSs. Rh, Lewis, PI) distribution were studied ir 309 childrer with LJTI. Ko associations were found between cny particular pC'lynorfism and complications, except for PI blood merger with E. coli i-fection (OR = 3.07; 1C 95% ~ 1 .1 3 a 8.6; p < 0 02) and the absence of other than E. coli agents in B positive patients [0/26). Aosence of "on t. coli isolations in phenotype B salients with UT, allhojgn net stct'stically significant, might sugest indepence-t and additive influence or B and PI on de'errnining the increased risk, as it has ceen shown fo r other markers in LJTI. This associct'on seems biologically plausible, since both phenotypes have aeen separctely rented to LJTI through uroepithelial coherence phenotypcal specificity.