Table 2 Odds ratios (OR) for immunological non-response in patients on successful HAART for more than three years.

Male gender

2.18 (0.94 - 5.09)

1.73 (0.73 - 4.14)

More than 40 years old at index date

2.53 (1.390 - 4.63)

2.32 (1.25 - 4.29)

Caucasians

2.23 (1.01 - 4.98)

1.09 (0.36 - 3.36)

Route of HIV infection

   Men who have sex with men

1.0

   Heterosexually infected

0.48 (0.24 - 0.96)

0.73 (0.30 - 1.78)

   Injection drug user

1.67 (0.63 - 4.54)

3.06 (0.98 - 9.52)

   Other

0.62 (0.22 - 1.75)

0.63 (0.20 - 1.96)

Chronic HCV infection

1.84 (0.76 - 4.43)

2.11 (0.79 - 5.61)

Cancer within 13 years prior to index date

1.72 (0.78 - 3.81)

1.47 (0.63 - 3.44)

One or more AIDS defining events prior to index date

0.83 (0.46 - 1.50)

0.84 (0.46 - 1.53)

Diagnosed with HIV before 1 January 1995

1.46 (0.81 - 2.63)

1.43 (0.72 - 2.86)

Nadir CD4 cell count less than 50 cells/μL

1.59 (0.86 - 2.96)

1.06 (0.43 - 1.75)

More than one year from first CD4 ≤ 200 cells/μL to start of the virologically suppressed period

2.03 (1.12 - 3.68)

2.28 (1.18 - 4.43)