Lupus & antiphospholipid syndrome

Validity and applicability of machine learning models for systemic lupus erythematosus diagnosis

Lupus Sci MedPublished Diagnostic model development and validation study

Authors' conclusion

We developed an open-access, clinically user-friendly tool-AI-PSLE-based on 35 routine features, aimed at facilitating the early identification of SLE patients from healthy populations.

Study context

Population
Systemic lupus erythematosus (SLE) patients and healthy controls from the Luzhou and Enshi cohortstwo cohorts
Comparison
Luzhou vs Enshi
Outcome
Performance of the LGB model on 35 reproducible features
Methodological detailsmachine learning, discovery and external validation cohorts, 13 binary classification metrics, Model integrated into an open-access tool, AI-PSLE
  • Machine learning
  • Discovery and external validation cohorts
  • 13 binary classification metrics
  • Model integrated into an open-access tool, AI-PSLE

Performance

As reported in the abstract

  • 50 candidate features selected in Luzhou; Light gradient boosting (LGB) model performed best after preprocessing
  • 35 reproducible features retained after scaling in Enshi
  • LGB model on 35 features maintained superior performance in Luzhou and was successfully validated in Enshi and combined Luzhou+Enshi cohorts

Original publication

Validity and applicability of machine learning models for systemic lupus erythematosus diagnosis. Lupus Sci Med. Published 27 April 2026. doi:10.1136/lupus-2026-002007

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