CD4 and coinfection: BMD in both lumbar spine and femoral neck DXA T-scores was negatively correlated with drug addiction (p < 0.04; p < 0.02, respectively), nadir CD4+ T-cell count < 200 (cells/μL) (p < 0.05; p < 0.04, respectively), ART exposure score (p < 0.002; p < 0.0001, respectively), PI exposure score (p < 0.05; p < 0.001, respectively) and HCV co-infection (p < 0.001; p < 0.005, respectively) (Table 2).