Table 1 Bivariate analysis and final Cox proportional hazards model for predictors of survival in AIDS patients

Study period

< 0.001

< 0.001

1997-2003

3130

653

1

-

1

-

1994-1996

1501

731

2.4

2.2-2.7

2.0

1.8-2.2

1988-1993

1963

1552

6.9

6.3-7.5

3.2

2.8-3.5

Gender

< 0.001

Female

1526

517

1

-

-

-

Male

5068

2419

1.6

1.4-1.8

-

-

Age ^{( &)}

< 0.001

0.002

13-29

2099

953

1

-

1

-

30-49

4126

1784

1.0

0.9-1.1

1.4

1.2-1.5

50 or more

369

199

1.4

1.2-1.6

2.0

1.7--2.3

Race/skin color

< 0.001

Black/brown

1348

452

1

-

-

-

White

5157

2456

1.6

1.5-1.8

-

-

Exposure category ^{( &)}

< 0.001

< 0.001

Heterosexuals

2310

735

1

-

1

-

MSM

2698

1215

1.5

1.3-1.6

1.1

1.1-1.2

IDU

1347

826

2.6

2.4-2.9

1.5

1.3-1.6

Schooling ^{( &)}

< 0.001

0.0004

>8 years

3316

1119

1

-

1

-

8 years or less

2779

1514

2.0

1.8-2.1

1.4

1.3-1.5

None

78

48

2.8

2.1-3.7

2.1

1.6-2.8

CD4+ count ^(#)

< 0.001

< 0.001

>500 cells/mm³

565

56

1

-

1

-

350-500cells/mm³

567

81

1.4

1.0-1.9

1.2

1.1-1.2

<350 cells/mm³

3040

733

2.5

1.9-3.2

1.3

1.2-1.3