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Table 2 Summary of predictive value of immunologic characteristics for declines in CD4+ cell counts to < 350/μL in HIV-infected patients after treatment interruption.

From: Immunological predictors of CD4+T cell decline in antiretroviral treatment interruptions

Predictive markers

RR (CI95%)

p-values

CD4 + (cells/μL) nadir

0.99 (0.99; 1.01)

0.203

   CD4+ (cells/μL) nadir < 200/μL

3.37 (1.07; 10.36)

0.038

CD4 + (cells/μL) at starting HAART

0.99 (0.99; 1.01)

0.192

   CD4+ (cells/μL) at starting HAART < 500/μL

2.39 (0.86; 6.61)

0.092

CD4 + (cells/μL) baseline

0.99 (0.99; 1.00)

0.015

   CD4+ (cells/μL) at baseline < 750/μL

3.8 (1.28; 11.25)

0.016

LPR to PPD (per 1000 c.p.m.) baseline

0.95 (0.91; 1.00)

0.050

   LPR to PPD < 10000 c.p.m.

4.77 (1.07; 21.12)

0.039

IL-4 with PPD stimulus (per 100 pg/mL) baseline

1.41 (1.01; 1.98)

0.045

   IL-4 with PPD stimulus > 100 pg/mL

5.95 (1.76; 20.07)

0.004

IL-4 with p24 antigen stimulus (per 100 pg/mL) baseline

1.25 (1.01; 1.55)

0.039

   IL-4 with p24 antigen stimulus > 100 pg/mL

3.14 (0.97; 10.15)

0.056

  1. LPR: Lymphocyte proliferation. c.p.m.: count per minute. PPD: tuberculin purified protein derivative.
  2. At starting HAART: when patients started their first highly active antiretroviral treatment.
  3. At the entry of study (baseline): when patients stopped their antiretroviral treatment.