Korelasi perubahan kadar CD4, kadar viral load dan indeks massa tubuh terhadap perubahan ketebalan tunika intima media arteri karotis pada pasien HIV na ve yang mendapat terapi antiretroviral = Correlation of changes in cd4 levels, viral load levels and body mass index on changes in thickness of intima tunica in carotid artery media in hiv-na ve patients receiving antiretroviral therapy