Surfactant proteins A and D nucleotide variants: association with retinal vascular disease.

However, when analyzed including covariates GA and duration of oxygen treatment in the analyses, both Additive (p = 0.068) and Dominant (p = 0.059), while not reaching significance, were perhaps marginally significant, as was perhaps alluded to by the shift of all the SFTPA2 SNPs towards marginal significance with the inclusion of these covariates noted earlier.

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