Most differences were observed in deceased individuals who, respectively compared with all others, were significantly more likely to be older (median age 44 vs 40 years; P<.001), were not from a country of high HBV endemicity (4/42, 10% vs 82/266, 30.8%; P=.003), have a longer duration since first HIV-positive serology (median 13.1 vs 9.4 years; P<.001), have a higher proportion with AIDS-defining illness (21/42, 50% vs 58/266, 21.8%; P<.001), and have a lower nadir CD4+ cell count (median 128 vs 221 per mm3; P=.03). Here, CD4 is linked to AIDS.