Figure 4.

Changes in mean fluorescence intensity (MFI) values between the two visits for four autoantibodies in the Prog (progressor) and NProg (nonprogressor) patient groups. Two of these autoantibodies, La/SSB and LC-1, showed changes that were significantly related to progression status. The SSA/Ro 60 kD and SSA/SSB specificities showed marked changes in two of the three Prog patients. None of these four autoantibodies showed decreases in any of the Prog patients over the followup interval.

Olsen et al. Arthritis Research & Therapy 2012 14:R174   doi:10.1186/ar3927
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