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. 2009 Dec 22;8:306. doi: 10.1186/1475-2875-8-306

Table 3.

The mean number and range of previous malaria episodes experienced by donors with different GM/KM allotypes/phenotypes, over 9-years of follow up in Daraweesh

Donors grouping Number of malaria episodes P-values

Mean ± SD Range
GM allotypes
1,17 5,14 1.3 ± 1.5 0 - 5 P = 0.273
Kruskal-Wallis One Way Analysis of Variance on Ranks
1,17 5,14,6 1.5 ± 1.6 0 - 5
1,17 5,13,14 1.5 ± 1.3 0 - 4
1,17 5,13,14,6 1.9 ± 1.5 0 - 7

KM allotypes
1 (18) 1.7 ± 1.2 0 - 3 P = 0.342
Kruskal-Wallis
3 (114) 1.7 ± 1.5 0 - 7
1,3 (84) 1.5 ± 1.4 0 - 6