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Table 2 VZV level prior to zoster diagnosis 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 2.26 (119) 0.89 − 2.08*
 Yes 2.48 (180) 0.93 − 2.08*
Duration of HIV infection at second serum (years)
 < 7 2.38 (153) 0.95 − 0.30
 7+ 2.41 (146) 0.89 − 0.30
Viral load at second serum (log10 copies/mL)
 < 400 2.41 (127) 0.87 0.20
 400+ 2.38 (170) 0.95 0.20
CD4 at second serum (cells/μL)
 < 500 2.42 (149) 0.97 0.56
 500+ 2.36 (149) 0.87 0.56
CD4 at HIV diagnosis (cells/μL)
 < 500 2.45 (111) 0.88 0.90
 500+ 2.34 (157) 0.97 0.90
Age at HIV diagnosis (years)
 < 30 2.40 (174) 0.98 0.09
 30+ 2.39 (125) 0.82 0.09
Age at VZV infection (years)
 < 40 2.27 (59) 0.97 0.32
 40+ 2.22 (40) 0.65 0.32
  1. * indicates p < 0.05