Table 2

Sensitivity and specificity of anti-citrullinated fibronectin antibodies.

Patient group

n

anti-FN-Cit1035,1036 positive

sensitivity (%)

specificity (%)


established RAa

82

41

50.0

early RAa

278

124

44.6

Controls

186

3

1.6

98.4

non-RA

154

3

1.9

98.1

Healthy

32

0

0

100


a Based upon CCP2-positive sera

van Beers et al. Arthritis Research & Therapy 2012 14:R35   doi:10.1186/ar3744

Open Data