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Table 2 Evaluated parameters for CD4/CD8 ratio for the three infant age groups using DNA PCR as reference standard

From: T lymphocytes among HIV-infected and -uninfected infants: CD4/CD8 ratio as a potential tool in diagnosis of infection in infants under the age of 2 years

 

0–18 months infant age group (n = 137)

0–11 months infant age group (n = 95)

12–18 months infant age group (n = 42)

%Sensitivity

98.7 (CI: 96.1–100)

98.2 (CI: 94.7–100)

100 (CI: 100–100)

%Specificity

98.4 (CI: 95.2–100)

97.5 (CI: 92.7–100)

100 (CI: 100–100)

%PPV

96.4

94.6

100

%NPV

99.4

99.2

100

%TE

98.5 (CI: 96.5–100)

97.9 (CI: 95.0–100)

100 (CI: 100–100)

  1. Abbreviations: n, number tested; NPV, negative predictive value; PPV, positive predictive value; TE, test efficiency.
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Journal of Translational Medicine

ISSN: 1479-5876

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