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Table 3 Average VZV level change per year subgroup analysis

From: Association between quantitative varicella-zoster virus antibody levels and zoster reactivation in HIV-infected persons

 

Mean index value/OD (n)

SD

T-test

On ART at second serum

 No

0.03 (119)

0.21

1.58

 Yes

− 0.01 (180)

0.25

1.58

Duration of HIV infection at second serum (years)

 < 7

0.04 (153)

0.27

2.45*

 7+

− 0.03 (146)

0.19

2.45*

Viral load at second serum (log10 copies/mL) 

 < 400

0.01 (127)

0.21

− 0.01

 400+

0.01 (170)

0.25

− 0.01

CD4 at second serum (cells/μL)

 < 500

− 0.01 (149)

0.27

− 1.02

 500+

0.02 (149)

0.19

− 1.02

CD4 at HIV diagnosis (cells/μL)

 < 500

0.00 (111)

0.25

− 0.09

 500+

0.01 (157)

0.22

− 0.09

Age at HIV diagnosis (years)

 < 30

0.01 (174)

0.25

− 0.02

 30+

0.01 (125)

0.21

− 0.02

Age at VZV infection (years) 

 < 40

0.01 (59)

0.17

0.12

 40+

0.01 (40)

0.14

0.12

  1. * indicates p < 0.05