Lupus & antiphospholipid syndrome

Systemic Lupus International Collaborating Clinics-Frailty Index predicts hospitalisations in the Almenara Lupus Cohort

Lupus Sci MedPublished Prospective cohort study

Authors' conclusion

The SLICC-FI predicted hospitalisations in patients with SLE, independent of other well-known risk factors.

Study context

Population
Patients with SLE from a single-centre Latin American prevalent cohort (Almenara Lupus Cohort)273 (92.5%) female
Participants
295 patients
Exposure
Baseline Systemic Lupus International Collaborating Clinics-Frailty Index (SLICC-FI) as predictor of hospitalisations
Outcome
Hospitalisations (number and duration in days) during follow-up
Follow-up
First 3 years from baseline visit
Methodological detailssingle-centre, prevalent cohort, negative binomial regression
  • Single-centre
  • Prevalent cohort
  • Negative binomial regression

Main finding

As reported in the abstract

Hospitalisations per 0.05 increase in baseline SLICC-FI · 3 years

Number of hospitalisations, IRR

1.671

95% CI 1.385 to 2.016

Days of hospitalisation, IRR

2.018

95% CI 1.715 to 2.375

Observational data: associations, not effects.

Further findings

Baseline SLICC-FI and frailty

Mean SLICC-FI (SD 0.05)
0.18
Frail patients, n (29.2%)
86

Hospitalisation burden per patient-year · 3 years

Mean hospitalisations per patient-year (SD 0.8)
0.4
Mean days hospitalised per patient-year (SD 7.6)
3.1

Modified SLICC-FI (damage-related deficits excluded)

Also predicted hospitalisations in both number and days

Original publication

Systemic Lupus International Collaborating Clinics-Frailty Index predicts hospitalisations in the Almenara Lupus Cohort. Lupus Sci Med. Published 13 July 2025. doi:10.1136/lupus-2025-001624

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