Document Classification

Section Type: RESULTS

Text: Endothelium-dependent vasodilation, expressed as the percentage change in the leg blood flow response to intrafemoral artery infusion of 15 microg/min of the endothelium-dependent vasodilator methacholine, did not change after 4 weeks of treatment in any group : mean percentage change + / - SD, 154 + / -102 from baseline and 242 + / -254 at week 4 with atazanavir (P =. 36), 76 + / -62 and 86 + / -79, respectively, with lopinavir-ritonavir (P =. 68), and 111 + / -86 and 127 + / -153, respectively, with placebo (P =. 63 ; for between-group differences, P =. 55).