Prevalence of significant coronary stenosis by duration of antiretroviral therapy (ART) use and vitamin D deficiency status. The prevalences of significant coronary stenosis were 5.9% (13/219) and 11.2% (51/455) in those who used ARTs for <6 months and who used ARTs for ≥6 months, respectively. The prevalences were 4.5% (8/177), 11.9% (5/42), 9.9% (36/363), and 16.3% (15/92) in those who had used ART for <6 months and were not vitamin D deficient, who had used ART for <6 months and were vitamin D deficient, who had used ART for ≥6 months and were not vitamin D deficient, and who had used ART for ≥6 months and were vitamin D deficient, respectively. Abbreviation: ART, antiretroviral therapy.