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Table 1 Patients' characteristics

From: Between adaptive and innate immunity: TLR4-mediated perforin production by CD28nullT-helper cells in ankylosing spondylitis

 

Controls (n = 64)

Ankylosing spondylitis (n = 65)

Psoriatic arthritis (n = 25)

Rheumatoid arthritis (n = 72)

Age (years)

49.2 ± 12.4

43.1 ± 10.9

52.2 ± 12

57.9 ± 11

Gender (% female)

50.8

28.4

45.8

75.6

Rheumatoid factor positivity (%)

0.0

n.d.

n.d.

77.8

CCP-Ab positivity (%)

0.0

n.d.

n.d.

80.5

HLA-B27 positivity (%)

n.d.

78.6

31.3

n.d.

Axial involvement (% positive)

0.0

100.0

48.0

0.0

Erythrocyte sedimentation rate >15 mm/hour (% positive)

0.0

62.7

88.2

86.2

C-reactive protein >0.7 μg/dl (% positive)

0.0

26.1

41.7

46.8

  1. CCP-Ab, antibodies directed against cyclic citrullinated peptides; n.d., not determined.