Lupus & antiphospholipid syndrome

SLE Severe Infection Score-Revised (SLESIS-R): an improved score for prediction of serious infection in patients with systemic lupus erythematosus based on the RELESSER prospective cohort

Lupus Sci MedPublished Prognostic model development and validation study

Authors' conclusion

SLESIS-R is an accurate and feasible instrument for predicting infections in patients with SLE.

Study context

Population
Patients with systemic lupus erythematosus (SLE) in RELESSER-PROS, the SLE register of the Spanish Society of Rheumatology, with 1 year of follow-up completed (mean age, 49±13 years; 90% women)development cohort
Participants
1,459 patients
Outcome
Severe infection (≥1), predicted by SLESIS-R score
Follow-up
1 year
Methodological detailsprospective cohort, multicentre, multivariable logistic model, internal validation by 100-sample bootstrapping
  • Prospective cohort
  • Multicentre
  • Multivariable logistic model
  • Internal validation by 100-sample bootstrapping

Performance

As reported in the abstract

SLESIS-R performance for severe infection
AUROC
0.861 (0.777-0.946)
Score range
0 to 17
Cut-off
≥6
Accuracy at cut-off ≥6
85.9%
Positive likelihood ratio at cut-off ≥6
5.48

Further findings

≥1 severe infection
25 (1.7%)

Original publication

SLESIS-R: an improved score for prediction of serious infection in patients with systemic lupus erythematosus based on the RELESSER prospective cohort. Lupus Sci Med. Published 8 April 2024. doi:10.1136/lupus-2023-001096

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