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Table 3 Subgroup analysis of B lymphocyte subsets in rheumatoid arthritis

From: Association among B lymphocyte subset and rheumatoid arthritis in a Chinese population

Variable

Native B/CD19 + B (%)

Memory B/CD19 + B (%)

Plasmablast/CD19 + B (%)

Age

 Male (n = 24)

65.34 ± 16.68

31.55 ± 16.16

2.79 ± 3.33

 Female (n = 57)

63.47 ± 16.36

34.01 ± 15.80

2.27 ± 2.70

 P value

0.643

0.528

0.458

RF

 Negative (n = 16)

64.04 ± 14.13

33.48 ± 13.73

2.23 ± 2.68

 Positive (n = 65)

64.02 ± 16.98

33.23 ± 16.42

2.47 ± 2.96

 P value

0.771

0.956

0.996

Anti-CCP

 Negative (n = 35)

62.19 ± 18.55

35.41 ± 18.00

2.14 ± 2.67

 Positive (n = 46)

65.42 ± 14.56

31.66 ± 13.98

2.63 ± 3.06

 P value

0.452

0.294

0.381

Function class

 I + II (n = 42)

64.83 ± 15.47

32.56 ± 14.93

2.36 ± 2.89

 III +  IV (n = 39)

63.16 ± 17.46

34.05 ± 16.94

2.49 ± 2.92

 P value

0.839

0.676

0.650

  1. Native B cell markers: CD19+CD27CD38−/+; Memory B cell markers: CD19+CD27+CD38; Plasmablast cell markers: CD19+CD27++CD38++; RF, Rheumatoid factor; Anti-CCP, anti-cyclic citrullinated peptide