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Table 2 Demographic information for AS patients and controls

From: Inflammatory bowel disease serologies in ankylosing spondylitis patients: a pilot study

 

AS patients

Controls

Age in years (mean, range)

36.5, 19-61

30.8, 18-104

Disease duration in years (mean, range)

10.3, 0.12-43

Not applicable

Male (%)

62%

42%

HLA B27 (%)

84%

Not available

Ethnicity

Caucasian 80%

African American 2.5%

Asian 3.8%

Hispanic 3.8%

Caucasian and Hispanic 8.8%

African American and Caucasian 1%

Caucasian 100%

  1. HLA-B27 status for the control group was unavailable.
  2. AS = ankylosing spondylitis; HLA = human leukocyte antigen.