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Variations in functional domains in HIV-PH vs. HIV-infected subjects with no PH. The number of variations in HIV-1 Nef functional domains was determined for each subject and is shown as a sum of variations in Nef domains. Each symbol represents a subject. Note that the HIV-PH group is characterized by two or more variations in Nef functional domains (odds ratio 10.29, 95% confidence interval, 2.76 to 38.38; p=0.0004).
