A definition of LLDAS has been generated, and preliminary validation demonstrates its attainment to be associated with improved outcomes in SLE.
BackgroundSystemic lupus erythematosus (SLE) is associated with significant impairment of health-related quality of life (HR-QoL). Recently, meeting a definition of a lupus low disease activity state (LLDAS), analogous to low disease activity in rheumatoid arthritis, was preliminarily validated as associated with protection from damage accrual. The LLDAS definition has not been previously evaluated for association with patient-reported outcomes. The objective of this study was to determine whether LLDAS is associated with better HR-QoL, and examine predictors of HR-QoL, in a large multiethnic, multinational cohort of patients with SLE.MethodsHR-QoL was measured using the Medical Outcomes Study 36-item short form health survey (SF-36v2) in a prospective study of 1422 patients. Disease status was measured using the SLE disease activity index (SLEDAI-2 K), physician global assessment (PGA) and LLDAS.ResultsSignificant differences in SF-36 domain scores were found between patients stratified by ethnic group, education level and damage score, and with the presence of active musculoskeletal or cutaneous manifestations. In multiple linear regression analysis, Asian ethnicity (p < 0.001), a higher level of education (p < 0.001), younger age (p < 0.001) and shorter disease duration (p < 0.01) remained significantly associated with better physical component scores (PCS). Musculoskeletal disease activity (p < 0.001) was negatively associated with PCS, and cutaneous activity (p = 0.04) was negatively associated with mental component scores (MCS). Patients in LLDAS had better PCS (p < 0.001) and MCS (p < 0.001) scores and significantly better scores in multiple individual SF-36 domain scores. Disease damage was associated with worse PCS (p < 0.001), but not MCS scores.ConclusionsEthnicity, education, disease damage and specific organ involvement impacts HR-QoL in SLE. Attainment of LLDAS is associated with better HR-QoL.Electronic supplementary materialThe online version of this article (doi:10.1186/s13075-017-1256-6) contains supplementary material, which is available to authorized users.
Objectives To compare the health status concerns of patients with systemic lupus erythematosus (SLE) and of their physicians. Methods Cross-sectional questionnaire study of SLE patients and their treating physicians at a tertiary disease-specific outpatient clinic. Patients and physicians completed a questionnaire regarding their concern about specific disease manifestations and impact on quality of life. For each item, degree of concern was rated on a five-point Likert scale and summarized as median (interquartile range). Ratings between patients and physicians were compared using Mann-Whitney U tests. Results A total of 84 patients and 21 physicians participated. Patients' predominant concerns centred on function and fatigue, whereas physicians' concerns focused on SLE-related organ complications. Of the 10 highest ranked patient concerns, only two were common to the 10 highest ranked physician concerns, while physicians rated seven significantly differently; all 10 highest ranked physician concerns were rated significantly lower by patients. The three highest ranked patient concerns (fatigue, pain and feeling worn out) were routinely assessed by 47.6%, 42.9% and 9.5% of physicians, respectively. Conclusion There was significant discordance between SLE patient and physician health status concerns. Items which were ranked highly by patients were not assessed consistently by physicians, highlighting a significant gap in healthcare communication.
We confirm that lupus women who have, or later develop, SLE are at greater risk of pregnancy loss by spontaneous or surgical means. We have also shown that race, and the inherent differences in social and cultural influences, appears to be an important determinant of ultimate family size; White women with SLE have fewer children than controls, whilst non-White lupus women tend to have larger families.
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