Figure 1.

Adjusted Mean Carotid Intima-Media Thickness by Vitamin D Category*After adjustment for traditional cardiovascular risk factors and HIV-related factors, a graded relationship between vitamin D levels and carotid IMT was observed, P = .021). *Carotid intima-media thickness predicted by the multivariable linear regression model after adjustment for age, sex, race, coronary heart disease, hypertension, dyslipidemia, pack-years of smoking, NRTI duration, HIV duration, season, total cholesterol, LDL, waist to hip ratio, and calcium supplementation, corrected calcium, alkaline phosphatase, parathyroid hormone, and 1,25-OH vitamin D level. Error bars represent 95% confidence intervals.