Lupus & antiphospholipid syndrome

Does expert opinion match the definition of lupus low disease activity state? Prospective analysis of 500 patients from a Spanish multicentre cohort

Rheumatology (Oxford)Published Cross-sectional study

Authors' conclusion

Almost two-thirds of SLE patients were in the LLDAS. There was a fair correlation between the LLDAS and the physician's evaluation. This agreement improves for patients fulfilling the LLDAS criteria.

Study context

Population
SLE patients from a Spanish multicentre prospective cohort (92% women; mean age 50.4 years)
Participants
508 patients
Exposure
Lupus low disease activity state (LLDAS) definition vs physician's subjective evaluation of lupus activity
Outcome
Agreement between LLDAS and physician's subjective evaluation of lupus activity
Methodological detailscross-sectional analysis of a prospective study, multicentre
  • Cross-sectional analysis of a prospective study
  • Multicentre

Main finding

As reported in the abstract

LLDAS vs physician assessment

Patients in LLDAS

304

62.7%

Remission or low activity per physician assessment

430

86.1%

Overall agreement

71.4%

95% CI 70.1, 70.5

Cohen's κ (IQR 0.22-0.37)

0.3

Observational data: associations, not effects.

Further findings

Physician classification by LLDAS status

LLDAS patients classified as remission or low activity by expert
96.1%
Non-LLDAS patients classified as remission/low disease activity
126 (70.4%)
Main reasons for discrepancy: new manifestations vs previous visit and SLEDAI-2K >4, mainly serological activity

Original publication

Does expert opinion match the definition of lupus low disease activity state? Prospective analysis of 500 patients from a Spanish multicentre cohort. Rheumatology (Oxford). Published 12 August 2022. doi:10.1093/rheumatology/keac462

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