Measuring Disease Activity and Damage with Validated Metrics: A Systematic Review on Mortality and Damage in Systemic Lupus Erythematosus

Objective.To identify the effect of disease activity and damage, measured by validated indices, on mortality and damage accrual, in order to inform upcoming Canadian systemic lupus erythematosus (SLE) recommendations.Methods.Following GRADE (Grading of Recommendations Assessment, Development and Evaluation) methodology to fill in evidence-to-decision tables to create recommendations for “minimal investigations needed to monitor SLE patients at baseline and subsequent visits,” a systematic literature review was performed. The effect of disease activity and damage, measured by validated metrics, on mortality and damage was systematically reviewed, with metaanalyses performed when available.Results.A title/abstract screen of 5599 articles identified 816 articles for full paper review, with 102 meeting inclusion criteria and 53 with extractable data. Thirty-three articles describing outcomes related to disease activity and 20 articles related to damage were identified. Mortality was associated with higher SLE Disease Activity Index-2000 scores in 6 studies (HR 1.14, 95% CI 1.06–1.22) and higher Systemic Lupus International Collaborating Clinics/ACR Damage Index scores in 6 studies (HR 1.53, 95% CI 1.28–1.83). Higher SLE Activity Measure scores were associated with increased risk of damage in 3 studies (OR 1.06, 95% CI 1.04–1.08). British Isles Lupus Assessment Group was associated with mortality in 1 study with HR of 1.15.Conclusion.Active SLE disease and damage are associated with and predict greater mortality and damage. The use of validated disease activity and damage metrics is important in the assessment of disease activity and damage and will inform upcoming Canadian recommendations for the assessment of SLE.

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Clinical and serological associations of autoantibodies in patients with systemic lupus erythematosus

Journal of Investigative Medicine ◽

10.1136/jim-2021-001887 ◽

2021 ◽

pp. jim-2021-001887

Author(s):

María Correa-Rodríguez ◽

Gabriela Pocovi-Gerardino ◽

Jose Luis Callejas-Rubio ◽

Raquel Ríos-Fernández ◽

María Martín-Amada ◽

...

Keyword(s):

Systemic Lupus Erythematosus ◽

Disease Activity ◽

Lupus Erythematosus ◽

Activity Index ◽

Damage Index ◽

Disease Activity Index ◽

Systemic Lupus Erythematosus Disease ◽

Systemic Lupus ◽

Damage Accrual ◽

Dsdna Antibodies

Systemic lupus erythematosus (SLE) is an autoimmune disorder characterized by the formation of antigen–antibody complexes which trigger an immune response. We investigate certain autoantibodies including nucleosome, double-stranded DNA (dsDNA), Smith, ribonucleoprotein, and Sjögren’s syndrome-related antigens, and examine their associations with disease activity, damage accrual, and SLE-related clinical and serological manifestations in patients with SLE. We conducted a cross-sectional study with a total 293 patients (90.4% female, mean age 46.87±12.94 years) and used the Systemic Lupus Erythematosus Disease Activity Index 2000 and Systemic Lupus International Collaborating Clinics/American College of Rheumatology Damage Index (SDI) to evaluate disease activity and disease-related damage, respectively. Systemic Lupus Erythematosus Disease Activity Index scores were significantly higher in anti-nucleosome-positive (3.87±2.72 vs 2.52±2.76, p=0.004) and anti-dsDNA-positive (3.08±2.91 vs 2.04±2.48, p=0.010) patients compared with patients without these antibodies. SDI scores were also significantly higher in anti-nucleosome-positive patients (1.61±1.99 vs 0.89±1.06, p=0.004). The presence of antinucleosome (p=0.019) and anti-dsDNA antibodies (p=0.001) both correlated significantly with the incidence of nephritis; anti-La antibodies were associated with arthritis (p=0.022), and we also observed a relationship between the presence of antinucleosome antibodies and leukopenia (p=0.011). Patients with antinucleosome or anti-dsDNA antibodies had a higher disease activity and were likely to have nephritis. Antinucleosome was also associated with more damage accrual. A greater understanding of these autoantibodies could lead to the development of new approaches to more accurate assessments of SLE.

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Abnormality in hippocampal signal intensity predicts atrophy in patients with systemic lupus erythematosus

Lupus ◽

10.1177/0961203316673151 ◽

2016 ◽

Vol 26 (6) ◽

pp. 633-639 ◽

Cited By ~ 1

Author(s):

A T Lapa ◽

T Pedro ◽

J Francischinelli ◽

A C Coan ◽

L T Lavras Costallat ◽

...

Keyword(s):

Systemic Lupus Erythematosus ◽

Disease Activity ◽

Lupus Erythematosus ◽

Activity Index ◽

Damage Index ◽

Disease Activity Index ◽

Hippocampal Volume ◽

The Body ◽

Volume Loss ◽

Systemic Lupus

Objectives To quantify signal abnormalities in the hippocampus (Hsig) of patients with systemic lupus erythematosus (SLE) and to determine if Hsig predict hippocampal atrophy (HA) in SLE. Methods We included all SLE patients and healthy age- and sex-matched individuals with two magnetic resonance imaging (MRI) scans performed with a minimum of 1 year interval. All individuals underwent a standardized neuropsychological evaluation. Individual results were converted into standard scores and compared to normative data. SLE patients were additionally assessed for disease activity (SLE Disease Activity Index (SLEDAI)), damage (Systemic Lupus International Collaborating Clinics/American College of Rheumatology Damage Index (SDI)), and the presence of antiphospholipid antibodies. MRI was performed on an Elscint 2 T scanner and T1 inversion recovery and T2 coronal images were used for analysis. Volumetric (HV) and signal quantification (Hsig) were determined by standardized protocols. Results We included 54 SLE patients (48 women; mean age 32.2 ± 10.56 years). Hsig were found at study entry in 15 (45.5%) patients. Hsig in the body and tail of non-atrophic hippocampi correlated with progression of volume loss during the follow-up period ( r = 0.8, p < 0.001). The presence of Hsig in the head of atrophic hippocampi correlated with progression of HA ( r = 0.73, p = 0.005) during the same period. No correlation of Hsig and disease activity or prednisone dose was observed. Conclusion HA is frequently observed in SLE patients and volume loss is progressive in a subgroup of patients. The evaluation of Hsig is an easy tool to determine patients that may have progressive hippocampal volume loss and should be followed more closely with MRI and cognitive evaluation.

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Photoprotection awareness and practices among patients with systemic lupus erythematosus and its association with disease activity and severity

Lupus ◽

10.1177/0961203318770016 ◽

2018 ◽

Vol 27 (8) ◽

pp. 1287-1295 ◽

Cited By ~ 4

Author(s):

W D Abdul Kadir ◽

A Jamil ◽

S Sazliyana Shaharir ◽

N Md Nor ◽

A H Abdul Gafor

Keyword(s):

Systemic Lupus Erythematosus ◽

Disease Activity ◽

Lupus Erythematosus ◽

Activity Index ◽

Damage Index ◽

Disease Activity Index ◽

Sun Exposure ◽

Systemic Lupus ◽

Cross Sectional ◽

Sun Avoidance

Objective The objective of this paper is to determine photoprotection awareness, knowledge, practices, and its relationship with disease activity and damage in patients with systemic lupus erythematosus (SLE). Methods A cross-sectional study was performed. Data were acquired from in-person interviews and medical records. Results A total of 199 (89.6%) females and 23 (10.4%) males were recruited. Median age was 39.00 (interquartile range (IQR) 18) years, disease duration 12.12 (IQR 8) years, Fitzpatrick skin phototype III 119 (53.6%) and IV 81 (36.5%). Systemic Lupus Erythematosus Disease Activity Index 2000 (SLEDAI-2 K) was 2.95 (IQR 4) while Systemic Lupus International Collaborating Clinics/American College of Rheumatology Damage Index (SLICC-ACR DI) was 1.20 (IQR 2). The majority 205 (92.3%) were aware of sun exposure effects on SLE. Photoprotection methods were shade seeking 209 (94.1%), sun avoidance 212 (95.5%), long pants 168 (75.7%), long sleeves 155 (69.8%), sunscreen 116 (52.3%), sunglasses 114 (51.4%) and head cover 103 (46.4%). Significantly higher photoprotection practice scores (PPS) were observed in females, Malays, and individuals with higher education level and internet accessibility. PPS were not significantly correlated with SLICC-ACR DI and SLEDAI-2 K. Independent predictors for good photoprotection practice (GPP) were ethnicity (OR = 3.66, 95% CI 1.78–7.53), awareness (OR = 3.77, 95% CI 1.09–13.08) and cutaneous involvement (OR = 2.43, 95% CI 1.11–5.28). Photoprotection methods and GPP were not predictors for disease activity or damage. Conclusion Photoprotection awareness and knowledge was good. Shade seeking and sun avoidance were the common photoprotection methods practised. The use of sunscreen requires improvement. Photoprotection awareness and cutaneous manifestation were predictors for GPP. Neither photoprotection methods nor GPP were associated with disease activity or damage.

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Fatores Determinantes de Morbilidade nos Doentes com Lúpus Eritematoso Sistémico

Acta Médica Portuguesa ◽

10.20344/amp.8082 ◽

2017 ◽

Vol 30 (5) ◽

pp. 368

Author(s):

Margarida Jacinto ◽

Eliana Silva ◽

Nuno Riso ◽

Maria Francisca Moraes-Fontes

Keyword(s):

Systemic Lupus Erythematosus ◽

Disease Activity ◽

Lupus Erythematosus ◽

Activity Index ◽

Damage Index ◽

Disease Activity Index ◽

Systemic Lupus Erythematosus Disease ◽

Systemic Lupus ◽

American College Of Rheumatology

Introduction: Severity in systemic lupus erythematosus may vary from mild to even fatal consequences. There are no biomarkers to predict the disease’s prognosis. The Systemic Lupus International Collaborating Clinics/ Systemic Damage Index defines systemic lupus erythematosus disease severity and is found to predict prognosis.Objective: To test damage determinants in a single-centre systemic lupus erythematosus cohort.Material and Methods: Retrospectively followed systemic lupus erythematosus female patients (defined by the identification of at least four systemic lupus erythematosus American College of Rheumatology criteria – fulfillment 100%, n = 76) over the past five years. Age of onset, ethnicity, disease duration, number of American College of Rheumatology criteria at the end of follow-up, cumulative: renal, neuropsychiatric and articular phenotypes, hypertension, dyslipidaemia, smoking and Systemic Lupus Erythematosus Disease Activity Index 2K were correlated to the presence and degree of irreversible damage (Systemic Lupus International Collaborating Clinics Damage Index). Accumulation of American College of Rheumatology criteria was measured in a sub-group of patients followed from disease onset (within a year of the first symptom ascribed to systemic lupus erythematosus) (n = 39 – 51%); Systemic Lupus Erythematosus Disease Activity Index and Systemic Lupus International Collaborating Clinics Damage Index were performed. Statistical analysis was performed using Chi-square, Wilcoxon Mann-Whitney tests and Spearman correlation rho (Sig. 2-tailed p < 0.05).Results: Systemic Lupus International Collaborating Clinics/Systemic Damage Index > 0 was present in 56.6% and significantly associated to a longer duration, a higher number of American College of Rheumatology criteria and a neuropsychiatric phenotype when compared with those with no damage. The final number of American College of Rheumatology criteria accrued was positively correlated to a higher disease activity over the past five years of follow-up (Spearman´s rho 0.02 and p < 0.05). There was no effect from other features.Discussion and Conclusion: Disease duration and number of American College of Rheumatology criteria predict Systemic Lupus International Collaborating Clinics/ Systemic Damage Index. neuropsychiatric disease has an impact on damage accrual.

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Remission in systemic lupus erythematosus: testing different definitions in a large multicentre cohort

Annals of the Rheumatic Diseases ◽

10.1136/annrheumdis-2020-217070 ◽

2020 ◽

Vol 79 (7) ◽

pp. 943-950 ◽

Cited By ~ 2

Author(s):

Francesca Saccon ◽

Margherita Zen ◽

Mariele Gatto ◽

Domenico Paolo Emanuele Margiotta ◽

Antonella Afeltra ◽

...

Keyword(s):

Systemic Lupus Erythematosus ◽

Lupus Erythematosus ◽

Activity Index ◽

Damage Index ◽

Disease Activity Index ◽

Information Criterion ◽

Systemic Lupus ◽

Predictive Values ◽

Damage Accrual ◽

Definition Of

ObjectivesRemission in systemic lupus erythematosus (SLE) is defined through a combination of ‘clinical SLE Disease Activity Index (cSLEDAI)=0’, ‘physician's global assessment (PGA) <0.5’ and ‘prednisone (PDN) ≤5 mg/day’. We investigated the performance of these items, alone or in combination, in defining remission and in predicting SLICC/ACR Damage Index.MethodsWe tested seven potential definitions of remission in SLE patients followed-up for ≥5 years: PDN ≤5 mg/day; PGA <0.5; cSLEDAI=0; PGA <0.5 plus PDN ≤5 mg/day; cSLEDAI=0 plus PGA <0.5; cSLEDAI=0 plus PDN ≤5 mg/day; cSLEDAI=0 plus PDN ≤5 mg/day plus PGA <0.5. The effect of these definitions on damage was evaluated by Poisson regression analysis; the best performance was identified as the lowest Akaike and Bayesian information criterion (AIC and BIC). Positive and negative predictive values in identifying no damage increase were calculated.ResultsWe included 646 patients (mean±SD disease duration 9.2±6.9 years). At multivariate analysis, ≥2 consecutive year remission according to all definitions protected against damage (OR, 95% CI: PGA <0.5 0.631, 0.444 to 0.896; cSLEDAI=0 0.531, 0.371 to 0.759; PGA <0.5 plus PDN ≤5 mg/day 0.554, 0.381 to 0.805; cSLEDAI=0 plus PGA <0.5 0.574, 0.400 to 0.826; cSLEDAI=0 plus PDN ≤5 mg/day 0.543, 0.376 to 0.785; cSLEDAI=0 plus PDN ≤5 mg/day plus PGA <0.5 0.532, 0.363 to 0.781, p<0.01 for all), except PDN ≤5 mg/day, which required four consecutive years (OR 0.534, 95% CI 0.325 to 0.877, p=0.013). Positive and negative predictive values were similar; however, cSLEDAI=0 showed the best performance (AIC 1082.90, BIC 1109.72, p<0.0001). Adding PGA <0.5 and/or PDN ≤5 mg/day to cSLEDAI=0 decreased remission duration (−1.8 and −1.5 year/patient, respectively) without increasing cSLEDAI=0 performance in predicting damage accrual.ConclusionscSLEDAI=0 is the most attainable definition of remission, while displaying the best performance in predicting damage progression in the short-to-mid-term follow-up.

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Clinical features, damage accrual, and survival in patients with familial systemic lupus erythematosus: data from a multi-ethnic, multinational Latin American lupus cohort

Lupus ◽

10.1177/0961203320935184 ◽

2020 ◽

Vol 29 (9) ◽

pp. 1140-1145

Author(s):

Rosana Quintana ◽

Guillermo J Pons-Estel ◽

Karen Roberts ◽

Mónica Sacnún ◽

Rosa Serrano ◽

...

Keyword(s):

Systemic Lupus Erythematosus ◽

Disease Activity ◽

Clinical Features ◽

Latin American ◽

Lupus Erythematosus ◽

Activity Index ◽

Damage Index ◽

Systemic Lupus ◽

Damage Accrual ◽

Familial Lupus

Objectives This study aimed to compare the clinical features, damage accrual, and survival of patients with familial and sporadic systemic lupus erythematosus (SLE). Methods A multi-ethnic, multinational Latin American SLE cohort was studied. Familial lupus was defined as patients with a first-degree SLE relative; these relatives were interviewed in person or by telephone. Clinical variables, disease activity, damage, and mortality were compared. Odds ratios (OR) and 95% confidence intervals (CI) were estimated. Hazard ratios (HR) were calculated using Cox proportional hazard adjusted for potential confounders for time to damage and mortality. Results A total of 66 (5.6%) patients had familial lupus, and 1110 (94.4%) had sporadic lupus. Both groups were predominantly female, of comparable age, and of similar ethnic distribution. Discoid lupus (OR = 1.97; 95% CI 1.08–3.60) and neurologic disorder (OR = 1.65; 95% CI 1.00–2.73) were significantly associated with familial SLE; pericarditis was negatively associated (OR = 0.35; 95% CI 0.14–0.87). The SLE Disease Activity Index and Systemic Lupus International Collaborating Clinics/American College of Rheumatology Damage Index (SDI) were similar in both groups, although the neuropsychiatric (45.4% vs. 33.5%; p = 0.04) and musculoskeletal (6.1% vs. 1.9%; p = 0.02) domains of the SDI were more frequent in familial lupus. They were not retained in the Cox models (by domains). Familial lupus was not significantly associated with damage accrual (HR = 0.69; 95% CI 0.30–1.55) or mortality (HR = 1.23; 95% CI 0.26–4.81). Conclusion Familial SLE is not characterized by a more severe form of disease than sporadic lupus. We also observed that familial SLE has a higher frequency of discoid lupus and neurologic manifestations and a lower frequency of pericarditis.

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Risk factors for irreversible organ damages in peri- and postmenopausal women with systemic lupus erythematosus

Modern Rheumatology Journal ◽

10.14412/1996-7012-2018-4-89-94 ◽

2018 ◽

Vol 12 (4) ◽

pp. 89-94

Author(s):

S. Yu. Shkireeva ◽

E. G. Zotkin ◽

O. M. Lesnyak

Keyword(s):

Systemic Lupus Erythematosus ◽

Disease Activity ◽

Postmenopausal Women ◽

Lupus Erythematosus ◽

Maintenance Dose ◽

Activity Index ◽

Damage Index ◽

Systemic Lupus ◽

Irreversible Damage ◽

Damage Accrual

Objective: to identify irreversible organ damages and factors influencing their development and to compare existing musculoskeletal injuries with the activity of systemic lupus erythematosus (SLE).Patients and methods. The investigation enrolled 197 peri- and postmenopausal female outpatients (mean age, 50.94±9.1 years) with SLE, who were followed up at Clinical Rheumatology Hospital Twenty-Five, Saint Petersburg. The mean disease duration was 9.7±7.5 years. Cytostatic and glucocorticoid (GC) treatment regimens and dosages in the examinees were analyzed on the basis of their primary medical records. The investigators assessed the current disease activity by the SLE Disease Activity Index (SLEDAI-2K) and the Lupus Low Disease Activity State (LLDAS) and irreversible organ damages by the Systemic Lupus International Collaborating Clinics (SLICC) Damage Index (DI).Results and discussion. 93.4% of the patients continued to receive GS therapy at the time of inclusion in the study. The median GS maintenance dose was 12.5 mg/day. Almost half of the patients (n=86/43.7%) were in menopause (its mean duration was 12.8±7.1 years). Half of the examinees were noted to have remission (n=36/18.3%) or low SLE activity (n=92/46.7%) according to the SLEDAI-2K. Fifty-seven (28.9%) patients met all 5 LLDAS criteria; at the same time other 96 (48.7%) patients met 4 out of the 5 criteria, the 5th criterion being a high GC maintenance dose. High DI scores of ≥4 were found in two thirds (n=131/66.5%) of the examinees. Musculoskeletal system injuries ranked first among other disorders: osteoporosis (OP) and muscle weakness were detected in 76 (38.6%) and 69 (35.0%) patients, respectively. Regression analysis involving all statistically significant factors showed that the degree of damage was influenced by age (p=0.013215), total GS dose (p=0.000047), and previous therapy with cyclophosphamide (p=0.041505).Conclusion. The contribution of GS therapy to irreversible damage accrual is obvious in peri- and postmenopausal women with SLE. Timely dose adjustment or complete withdrawal of GS during remission in SLE is one of the key factors that substantially reduce the risk of progression of irreversible organ damages due to the prevention of OP and osteoporotic fractures in these patients.

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Impact of markers of endothelial injury and hypercoagulability on systemic lupus erythematosus

Lupus ◽

10.1177/0961203319899478 ◽

2020 ◽

Vol 29 (2) ◽

pp. 182-190

Author(s):

W Batista Cicarini ◽

R C Figueiredo Duarte ◽

K Silvestre Ferreira ◽

C de Mello Gomes Loures ◽

R Vargas Consoli ◽

...

Keyword(s):

Systemic Lupus Erythematosus ◽

Disease Activity ◽

Lupus Erythematosus ◽

Activity Index ◽

Disease Activity Index ◽

Endothelial Injury ◽

Control Group ◽

Systemic Lupus ◽

Low Concentrations ◽

The Relationship

We have explored the relationship between possible hemostatic changes and clinical manifestation of the systemic lupus erythematosus (SLE) as a function of greater or lesser disease activity according to Systemic Lupus Erythematosus Disease Activity Index-2000 (SLEDAI-2K) criteria. Endothelial injury and hypercoagulability were investigated in patients with SLE by measuring thrombomodulin (TM), D-dimer (DDi) and thrombin generation (TG) potential. A total of 90 participants were distributed into three groups: 1) women with SLE presenting with low disease activity (laSLE) (SLEDAI-2K ≤ 4), 2) women with SLE presenting with moderate to high disease activity (mhaSLE) (SLEDAI-2K > 4), and 3) a control group comprising healthy women. Levels of TM and DDi were higher both in the laSLE and mhaSLE groups compared to controls and in mhaSLE compared to the laSLE group. With respect to TG assay, lagtime and endogen thrombin potential, low concentrations of tissue factor provided the best results for discrimination among groups. Analysis of these data allow us to conclude that TM, DDi and TG are potentially useful markers for discriminating patients with very active from those with lower active disease. Higher SLE activity may cause endothelial injury, resulting in higher TG and consequently a hypercoagulability state underlying the picture of thrombosis common in this inflammatory disease.

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Disease activity index is associated with subclinical atherosclerosis in childhood-onset systemic lupus erythematosus

Pediatric Rheumatology ◽

10.1186/s12969-021-00513-5 ◽

2021 ◽

Vol 19 (1) ◽

Author(s):

Priscila B. S. Medeiros ◽

Roberta G. Salomão ◽

Sara R. Teixeira ◽

Diane M. Rassi ◽

Luciana Rodrigues ◽

...

Keyword(s):

Risk Factors ◽

Systemic Lupus Erythematosus ◽

Disease Activity ◽

Lupus Erythematosus ◽

Activity Index ◽

Subclinical Atherosclerosis ◽

Disease Activity Index ◽

Uncontrolled Hypertension ◽

Childhood Onset ◽

Systemic Lupus

Abstract Background Systemic lupus erythematosus (SLE) is an independent risk factor for cardiovascular events. The present study determined the prevalence of subclinical atherosclerosis in childhood-onset SLE using the carotid intima-media thickness (CIMT) measurement and investigated associations between traditional and nontraditional risk factors for atherosclerosis, such as medications, SLE Disease Activity Index - SLEDAI-2 K and SLICC-ACR damage index and CIMT. Methods Cross-sectional prospective study between 2017 and 2018. CIMT was assessed by ultrasonography. Data were collected by chart review, nutritional evaluation and laboratory tests and analyzed by Fisher, Wilcoxon-Mann-Whitney tests, multiple linear and log binomial regression. Results Twenty-eight patients (mean age 13.9 years, SD 3) were enrolled. The prevalence of subclinical atherosclerosis was 32% (95% CI 14.8, 49.4). The mean CIMT was 0.43 ± 0.035 mm. The most common traditional risk factors observed were dyslipidemia (82.1%), uncontrolled hypertension (14.2%), obesity (14.3%), and poor diet (78.6%). Uncontrolled hypertension (p = 0.04), proteinuria (p = 0.02), estimated glomerular filtration rate < 75 ml /min/1.73 m2 (p = 0.02) and SLEDAI-2 K > 5 (P = 0.04) were associated with subclinical atherosclerosis. SLEDAI-2 K > 5 maintained association with CIMT after adjusting for control variables. Conclusion Subclinical atherosclerosis is frequently observed in cSLE, mainly in patients with moderate to severe disease activity.

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A Comparison of the Correlation of Systemic Lupus Erythematosus Disease Activity Index 2000 (SLEDAI-2K) and Systemic Lupus Erythematosus Disease Activity Score (SLE-DAS) with Health-Related Quality of Life

Journal of Clinical Medicine ◽

10.3390/jcm10102137 ◽

2021 ◽

Vol 10 (10) ◽

pp. 2137

Author(s):

Ning-Sheng Lai ◽

Ming-Chi Lu ◽

Hsiu-Hua Chang ◽

Hui-Chin Lo ◽

Chia-Wen Hsu ◽

...

Keyword(s):

Quality Of Life ◽

Systemic Lupus Erythematosus ◽

Disease Activity ◽

Lupus Erythematosus ◽

Activity Index ◽

Disease Activity Index ◽

Information Criterion ◽

Systemic Lupus Erythematosus Disease ◽

Systemic Lupus

Background and Aim: The aim of this study was to compare the correlation of a recently developed systemic lupus erythematosus disease activity score (SLE-DAS) with the SLE disease activity index 2000 (SLEDAI-2K) with the Lupus Quality of Life questionnaire (LupusQoL) in Taiwanese patients with SLE. Methods: A cross-sectional study was conducted in a regional teaching hospital in Taiwan from April to August 2019. Adult patients with a clinician-confirmed diagnosis of SLE based on the 1997 American College of Rheumatology revised criteria or the 2012 Systemic Lupus International Collaborating Clinics Classification Criteria were recruited. SLE disease activity was measured with both SLEDAI-2K and SLE-DAS. Disease-specific quality of life was assessed using the LupusQoL. Results: Of the 333 patients with SLE in this study, 90.4% were female and 40% were between the ages of 20 and 39 years. The median SLEDAI-2K score was 4.00 (interquartile range [IQR] 2.00–7.50) and the median SLE-DAS score was 2.08 (IQR 1.12–8.24) in our patients with SLE. After adjusting for sex and age intervals, both SLEDAI-2k and SLE-DAS were significantly and inversely associated with all eight domains of LupusQoL. The magnitudes of the mean absolute error, root mean square error, Akaike Information Criterion, Bayesian Information Criterion, and coefficient of determination were comparable between SLEDAI-2K and SLE-DAS. Conclusions: There were no clear differences in the use of SLE-DAS over SLEDAI-2K in assessing HRQoL in patients with SLE. We suggest that, in this aspect, both SLEDAI-2K and SLE-DAS are effective tools for measuring disease activity in patients with SLE.

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