Skip to main content

Table 3 Agreement (κ coefficient) using CD4 count obtained by flow cytometry, CD4 percent by computational estimate, and total lymphocyte count (TLC) compared to CD4 percent obtained by flow cytometry for children not eligible for ART on clinical grounds, i.e. WHO stage I or II

From: Computed CD4 percentage as a low-cost method for determining pediatric antiretroviral treatment eligibility

Age group

n

CD4 count

CD4 percent computational estimate

TLC

Overall

170/125*

77.6% (0.39)

87.6% (0.71)

64.8% (0.04)*

≤ 11 months

41

78.0% (0.19)

87.8% (0.63)

80.5% (0.32)

12 to 35 months

22

68.2% (0.32)

95.4% (0.91)

54.5% (0.02)

36 to 59 months

21

71.4% (0.25)

71.4% (0.35)

47.6% (-0.32)

60 months to 96 months

41

85.4% (0.58)

92.7% (0.82)

63.4% (0.04)

≥ 96 months

45

77.8% (0.45)

86.7% (0.71)

N/A†

  1. * 125 children aged between 0 and 8 years; † Total lymphocyte count (TLC) is not valid in children older than 8 years (n = 45)