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The heat map of age and phenotype between 5 phenotypes of thalassemia in Quanzhou area. (The sample size of β-thalassemia major were less than 5 cases, the comparison between groups were not included). The abbreviation "thal" was derived from the term "thalassemia". Independent sample Kruskal-Wallis test was used to compare parameters among the groups, the numbers in the box are p values for comparison among the groups, and ∗p < 0.05 has statistical significance.
