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Table 1 Reference ranges of peripheral blood CD4+T subpopulations in 150 healthy adults and comparisons with previously published data

From: Characteristics and reference ranges of CD4+T cell subpopulations among healthy adult Han Chinese in Shanxi Province, North China

Parameters

Present study

Italy study [17]

Mean

Median

Interquartile range

Reference ranges a)

Reference ranges a)

CD4+T subpopulations (%)

 Th1

16.97

16.39

13.49

0.43–39.62

6.66–8.01

 Th2

1.35

1.19

0.97

0.27–3.57

4.86–5.98

 Th17

1.14

1.07

0.77

0.22–2.62

9.50–11.47

 Treg

4.80

4.74

2.17

2.17–7.94

0.59–0.79

 Th1:Th2

16.96

13.40

15.14

0.59–52.37

1.33–1.54

 Th17:Treg

0.26

0.21

0.20

0.04–0.76

0.06–0.11b)

CD4+T subpopulations (cells/μl)

 Th1

116.87

105.77

103.75

2.64–276.21

144.20–171.40

 Th2

9.32

8.25

7.42

1.80–27.14

106.40–129.90

 Th17

7.75

7.02

5.98

1.10–19.54

201.30–242.00

 Treg

32.73

30.58

18.82

13.47–64.58

12.79–17.41

  1. Th1, Th2, Th17, and Treg cells (percentages) were gated from CD4+T cells. The absolute counts for each CD4+T subpopulation were calculated by multiplying the specific subset percentage by absolute CD3+CD4+T cell counts
  2. a) Reference ranges are defined as 95% of the population
  3. b) Treg:Th17 ratio
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BMC Immunology

ISSN: 1471-2172

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