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18-07-2020

Patient-reported flare frequency is associated with diminished quality of life and family role functioning in systemic lupus erythematosus

Journal:
Quality of Life Research
Authors:
Patricia Katz, George J. Wan, Paola Daly, Lauren Topf, Erin Connolly-Strong, Ryan Bostic, Michael L. Reed
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Abstract

Purpose

To understand the influence of the systemic lupus erythematosus (SLE)-related flares on patient’s health-related quality of life (HRQoL).

Methods

An online survey included individuals with self-reported physician’s diagnosis of SLE or lupus nephritis (LN). Lupus impact tracker (LIT) assessed lupus symptoms and HRQoL, SLE-Family questionnaire measured family role functioning, and Healthy Days Core Module (HDCM) measured overall mental and physical health. Chi-square and analysis of variance evaluated differences by flare frequency. Multivariable linear regression and generalized linear models evaluated the independent relationships of flare frequency to HRQoL.

Results

1066 respondents with SLE or LN completed the survey. Mean (SD) duration of illness was 12.4 (10.1) years. 93.4% (n = 996) were women, 82.3% (n = 830) were White, and 49.7% (n = 530) were employed or students. More frequent flares were associated with significantly worse scores on all HRQoL measures: LIT (adjusted means: 0 flares, 31.8; 1–3 flares, 47.0; 4–6 flares, 56.1; ≥ 7 flares, 63.6; P < 0.001); SLE-Family (adjusted means: 0 flares, 3.1; 1–3 flares 3.8; 4–6 flares, 4.3; ≥ 7 flares, 4.6, P < 0.001); HDCM unhealthy days (0 flares, 8.7; 1–3 flares, 17.4; 4–6 flares, 21.5; ≥ 7 flares, 26.2 days, P < 0.001).

Conclusion

Lupus flares contributed to impaired functional and psychological well-being, family functioning, and number of monthly healthy days. Better understanding of the burden of flare activity from the patient’s perspective will support a holistic approach to lupus management.

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