evidencegaps
Primary study · included by 1 review

Evaluation of a BP180-NC16a enzyme-linked immunosorbent assay in the initial diagnosis of bullous pemphigoid.

Sakuma-Oyama 2004 · Sakuma-Oyama Y, Powell A M, Oyama N, et al. · The British journal of dermatology · 2004

Included by

Diagnostic Agreement in Subepidermal Blistering Diseases: Is ELISA Test Reliable as Direct Immunofluorescence? A Systematic Review, Meta-Analysis, and Trial Sequential Analysis.
Non-Cochrane · DTA · 2026 · cited as Sakuma-Oyama 2004 · Table 2; References
Outcome this study informsPooled effectEvidenceCertainty
Diagnostic agreement between ELISA and DIF (risk difference in test positivity)
ELISA (BP180 and/or BP230) in bullous pemphigoid (index test) vs Direct immunofluorescence (DIF, reference standard) · At first diagnosis, before immunosuppressive therapy
RD 0.19 [0.13, 0.25]27 studies · 2238 participantsGRADE not reported
Diagnostic agreement between ELISA and DIF (risk difference in test positivity)
ELISA for BP180 autoantibodies (index test) vs Direct immunofluorescence (DIF, reference standard) · At first diagnosis, before immunosuppressive therapy
RD 0.26 [0.19, 0.33]35 studies · 2776 participantsGRADE not reported

1 including review in total.