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Table 4 Factors associated with composite end point

From: CD4/CD8 ratio normalization rates and low ratio as prognostic marker for non-AIDS defining events among long-term virologically suppressed people living with HIV

Variables

Univariate model

Multivariate model

HR

95% CI

p-value

HR

95% CI

p-value

Gender

 Male

Ref

     

 Female

1.09

(0.75–1.58)

0.65

   

Agea, year

1.07

(1.04–1.09)

< 0.001

1.09

(1.05–1.13)

< 0.001

BMIa, kg/m2

 < 25

Ref

  

Ref

  

 ≥ 25

1.68

(0.89–3.16)

0.11

1.42

(0.73–2.76)

0.30

Route of transmission

0.008

  

0.19

 Heterosexual

Ref

  

Ref

  

 MSM/bisexual

0.54

(0.35–0.82)

0.004

1.74

(0.95–3.21)

0.07

 IDU/others/unknown

0.66

(0.33–1.30)

0.23

1.06

(0.32–3.53)

0.93

Ever smoking

0.82

(0.56–1.20)

0.31

   

Ever alcohol drinking

0.82

(0.38–1.77)

0.62

   

Baseline HIV-RNA level (log10 copies/mL)

1.19

(0.92–1.54)

0.19

   

Baseline CDC grading

 Stage A or B

Ref

     

 Stage C

1.03

(0.61–1.74)

0.92

   

Tuberculosis infectiona

 No

Ref

     

 Yes

1.24

(0.17–8.93)

0.83

   

Time since ART initiation to first viral suppression

0.057

   

 < 6 months

Ref

     

 6–12 months

0.48

(0.22–1.06)

0.07

   

 ≥ 12 months

1.14

(0.79–1.64)

0.49

   

Current CD4 counts per 100 increased

0.93

(0.85–1.02)

0.12

   

Current CD4/CD8

 < 0.3

3.10

(1.87–5.14)

< 0.001

3.02

(1.27–7.21)

0.001

 0.30–0.45

1.76

(1.13–2.75)

0.01

2.03

(1.03–3.98)

0.04

 > 0.45

Ref

  

Ref

  

Diabetes mellitus

2.27

(1.52–3.39)

< 0.001

3.02

(0.06–163.26)

0.59

HBs Ag status

 Negative

Ref

     

 Positive

0.69

(0.40–1.18)

0.17

   

Anti-HCV Ab status

 Negative

Ref

     

 Positive

1.04

(0.54–1.98)

0.92

   

Baseline ARV regimen

 NNRTI-based

Ref

  

Ref

  

 PI-based

1.55

(1.09–2.22)

0.015

1.09

(0.6–1.99)

0.77

cART by calendar year

 < 2007

Ref

  

Ref

  

 ≥ 2007

0.40

(0.27–0.61)

< 0.001

1.29

(0.7–2.36)

0.42

  1. Significant p-values are in italics
  2. IQR interquartile range, BMI body mass index, MSM men who have sex with men, IDU injecting drug users, ARV antiretroviral drugs, ART antiretroviral therapy, NNRTI non-nucleoside reverse transcriptase inhibitor, PI protease inhibitor, INSTI integrase strand transfer inhibitors
  3. aTime-updated variables include age, BMI and tuberculosis infections