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Table 2 Improvement in hepatosplenomegaly stratified by level of exposure to malaria and S. mansoni. Sectors are identified by letter and are described in the text. N i – number of children in each sector with improved organomegaly at the 3 year follow up; N t – total number of children examined at the third year follow-up; Z-Wilcoxon Rank analysis Z score indicating whether or not there was a decrease in the degree of organ enlargement between baseline and the 3 year follow up. A negative Z value and a corresponding p value of <0.05 indicates a significant decrease in organ sizes within a given sector.

From: Exposure to malaria affects the regression of hepatosplenomegaly after treatment for Schistosoma mansoniinfection in Kenyan children

  MAL splenomegaly MCL splenomegaly MSL hepatomegaly MCL hepatomegaly
Sector N i /N t Z p N i /N t Z p N i /N t Z p N i /N t Z p
A 21/23 -3.81 <0.001 15/23 -1.20 0.234 10/23 -1.54 0.125 7/23 -0.11 0.915
B 9/13 -2.58 0.010 5/13 -0.42 0.673 2/12 1.39 0.164 1/12 -1.54 0.123
C 9/15 -2.72 0.007 5/15 -1.13 0.260 8/15 -1.22 0.222 2/13 -128 0.201
D 18/20 -3.78 <0.001 9/20 -2.72 0.007 12/20 -2.80 0.005 4/20 0.00 1.000