Vasculitis & polymyalgia rheumatica

Development of the Takayasu Arteritis Integrated Disease Activity Index

Arthritis Care Res (Hoboken)Published Prospective observational cohort study

Authors' conclusion

TAIDAI is new type of disease activity index in TAK in which clinical symptoms are integrated with specific laboratory and imaging findings.

Study context

Population
Patients with TAK in a prospective observational cohort
Participants
96 patients204 study visits
Exposure
Takayasu's Arteritis Integrated Disease Activity Index (TAIDAI) vs physician's clinical assessment
Outcome
Performance of TAIDAI vs physician's clinical assessment
Methodological detailsindex development, validation study
  • Index development
  • Validation study

Main finding

As reported in the abstract

GroupSensitivitySpecificity
TAIDAI96.3%79.2%

TAIDAI

Sensitivity96.3%
Specificity79.2%
Seventeen clinical symptoms paired with imaging or laboratory abnormalities
17

Observational data: associations, not effects.

Further findings

Sensitivity to change: TAIDAI of 0 in clinical responders treated with TNFi or tocilizumab
91% · 21 events
  • Sensitivity to change: TAIDAI of 0 in clinical responders treated with TNFi or tocilizumab: of 23 patients who met a predefined definition of clinical response

Correlations of TAIDAI

TAIDAI significantly correlated with PGA, PET Vascular Activity Score, patient global assessment and acute phase reactant levels

Original publication

Development of the Takayasu Arteritis Integrated Disease Activity Index. Arthritis Care Res (Hoboken). Published 26 January 2024. doi:10.1002/acr.25275

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

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