Systemic sclerosis & Raynaud's

Bicaudal D2 autoantibodies are highly specific for systemic sclerosis

Scand J RheumatolPublished Cross-sectional study

Authors' conclusion

Autoantibodies against BICD2 were highly specific for SSc patients.

Study context

Population
Patients with connective tissue disease and healthy controls (blood donors)363 patients with CTD
Participants
121 / 141 / 101 / 100
Exposure
Anti-BICD2 in systemic sclerosis (SSc) vs other connective tissue diseases and blood donors
  • SScn = 121
  • SLEn = 141
  • Myositisn = 101
  • Blood donorsn = 100reference
Outcome
Prevalence of anti-BICD2

Main finding

As reported in the abstract

Anti-BICD2 in SSc
GroupValueSpecificitySensitivity
SSc35 events96.5%28.9%

SSc

Value35 events
Specificity96.5%
Sensitivity28.9%

Observational data: associations, not effects.

Further findings

OutcomeP value
Lung function, anti-BICD2-positive vs anti-BICD2-negative SScAnti-BICD2-positive vs Anti-BICD2-negativeP = 0.01
Lung function, anti-BICD2-positive vs anti-BICD2-negative SScAnti-BICD2-positive vs Anti-BICD2-negativeP = 0.01
Lung function, anti-BICD2-positive vs anti-BICD2-negative SScAnti-BICD2-positive vs Anti-BICD2-negativeP = 0.03

Co-occurrence with centromere autoantibodies in anti-BICD2-positive SSc

Anti-BICD2 and centromere autoantibodies present together
91%
Anti-BICD2 the only antibody present
0

Original publication

Bicaudal D2 autoantibodies are highly specific for systemic sclerosis. Scand J Rheumatol. Published 24 June 2024. doi:10.1080/03009742.2024.2335718

Composed by AI from the published abstract and checked against it. How Briefs are made →

Get them every week

New studies on this topic in My Week and in your Monday e-mail.

We e-mail you a sign-in link and a code. No password, no spam.