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Table 4 The lymphocyte subset levels in the different age groups

From: Population specific reference ranges of CD3, CD4 and CD8 lymphocyte subsets among healthy Kenyans

Subset

Age group

16-19

20-30

31-55

P value

CD3 Absolute count*

N

55

196

62

 

Mean

1603

1641

1742

0.745

Median

1519

1611

1622

0.595

CD3% ×

N

55

196

62

 

Mean

65

67

67

0.180

Median

65

67

67

0.261

CD8 Absolute count *

N

52

181

61

 

Mean

611

641

693

0.870

Median

526

564

636

0.498

CD8% ×

N

52

181

61

 

Mean

24

26

27

0.138

Median

23

25

26.

0.090

CD4 Absolute count *

N

55

196

62

 

Mean

912

898

997

0.139

Median

915

882

988

0.254

CD4% ×

N

55

196

62

 

Mean

38

37

38

0.222

Median

36

37

37

0.184

CD4/CD8 ratio

Mean

1.70

1.54

1.54

<0.001

Median

1.63

1.45

1.51

0.135

  1. *Expressed as cells/μL of blood.
  2. ×Expressed as a percentage of total lymphocytes.
  3. ANOVA was used to test the differences in means of the lymphocytes in the age groups.