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Figure 3 | BMC Medical Genetics

Figure 3

From: Differences in serum SP-D levels between German and Japanese subjects are associated with SFTPDgene polymorphisms

Figure 3

Relationship between genotype and serum SP-D levels. Serum SP-D levels were compared between each genotype: (A) rs721917, (B) rs1998374, (C) rs2243639, and (D) rs3088308. For each genotype, data of the German cohort are shown in the left and those of the Japanese cohort are shown in the right. The horizontal bars represent the mean values. (A), (B), (C) The significance level was defined as α = 0.006 (nine comparisons in six groups). ***p < 0.001, **p < 0.006 (Mann–Whitney U-test). (D) The significance level was defined as α = 0.0125 (four comparisons in four groups). ***p < 0.001, **p < 0.013 (Mann–Whitney U-test).

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