Table 3 Relative risk (hazard ratio [HR]) of being registered with HIV in the Danish National Hospital Registry according to characteristics and treatment centre.

Male gender (reference)

1

1

Female gender

1.05 (0.95–1.16)

1.15 (1.02–1.30)

Caucasian (reference)

1

1

Non-Caucasian

1.02 (0.92–1.13)

0.93 (0.82–1.05)

Age > 40 years (vs. <= 40 years)

1.12 (1.02–1.22)

1.07 (0.97–1.18)

CD4 count < 200 cells/μl (vs. ≥ 200 cell/μl)

1.45 (1.32–1.59)

1.38 (1.25–1.52)

Viral load > 100,000 copies/ml (vs. ≤ 100,000 copies/ml)

1.32 (1.21–1.45)

1.14 (1.03–1.26)

Heterosexual (reference)

1

1

Homosexual

1.01 (0.92–1.11)

1.04 (0.93–1.17)

Intravenous drug use

0.85 (0.72–1.00)

0.87 (0.73–1.04)

Other/unknown

1.05 (0.86–1.27)

1.07 (0.88–1.31)

Diagnosed before year 2000 (reference)

1

1

Diagnosed after 1 January 2000

1.40 (1.28–1.53)

1.40 (1.28–1.53)

Centre

   Center 1

1

1

   Center 2

1.03 (0.93–1.14)

1.06 (0.95–1.17)

   Center 3

1.08 (0.91–1.27)

1.12 (0.94–1.32)

   Center 4

0.87 (0.75–1.02)

0.91 (0.78–1.07)

   Center 5–8*

0.99 (0.86–1.15)

0.98 (0.83–1.14)