OBJECTIVES: The study was undertaken to correlate the blood groups and clinical presentations in @entity311 @entity1 and to understand the differential host susceptibility in @entity311 . METHODS: From October 2007 to September 2008, @entity311 positive @entity1 ' samples were evaluated in this study. Hemoglobin, total leukocyte count, and platelet count of each @entity1 were done on an automated cell counter. After determining the blood groups, malarial species and the severity of clinical course were correlated. RESULTS: A total of 100 @entity1 were included in the study, of which 63 cases were positive for @entity3964 and 37 cases were positive for @entity3965 infection and 11 @entity1 had @entity325 . The results of the blood groups showed 22 - 'A' group, 42 - 'B' group, 35 - 'O' group and 1 was 'AB' group. When the clinical courses between different groups were compared using the following parameters for severe infection--a parasitic load of >10/1000 RBCs, severe @entity417 with hemoglobin < 6 g%, platelet count of <10,000/mm3, hepato or @entity381 or clinical signs of severe @entity311 such as fever >101  F and other organ involvement, it was observed that 'O' group had an advantage over other the groups. The difference in rosetting ability between red blood cells of different ' @entity6910 ' blood groups with a diminished rosetting potential in blood group 'O' red blood cells was due to the differential host susceptibility. CONCLUSION: 'O' group had an advantage over the other three blood groups. Based on literature and the results of this study, the diminished rosetting potential in blood group 'O' red blood cells is suggested as the basis for the differential host susceptibility.

XXXX blood groups and @entity311 related clinical outcome.

@entity1 :: ('9606', 'Species') :: ['patients', 'patient'] @entity6910 :: ('28', 'Gene') :: ['ABO'] @entity417 :: ('MESH:D000740', 'Disease') :: ['anemia'] @entity3965 :: ('5855', 'Species') :: ['P. vivax'] @entity381 :: ('MESH:D013163', 'Disease') :: ['splenomegaly'] @entity325 :: ('MESH:D060085', 'Disease') :: ['mixed infection'] @entity3964 :: ('5833', 'Species') :: ['Plasmodium falciparum'] @entity311 :: ('MESH:D008288', 'Disease') :: ['malaria']
@entity6910 :: (28,Gene) :: ['ABO']
