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Silva, A.B. da; Ramiro, S.; Boel, A.; Lunteren, M. van; Marques, M.L.; Sande, M. van de; ... ; Gaalen, F. van (2024)

Do quality of life and work productivity change in early axial spondyloarthritis and non-axial spondyloarthritis patients after 2 years?

Article / Letter to editor
Objective: The objective of this study was to compare health-related quality of life (HRQoL) and work productivity in axial SpA (axSpA) and nonaxSpA patients with chronic back pain of <2 years. Methods: Baseline and 2-year data for patients included in the SPondyloArthritis Caught Early cohort were analysed. HRQoL was assessed by the physical (PCS) and mental component summary (MCS) scores of the 36-Item Short-Form Health Survey, and presenteeism, absenteeism, work productivity loss (WPL) and activity impairment (AI) by the Work Productivity and Activity Impairment questionnaire. Linear or zero-inflated negative binomial regression was conducted to compare 2-year outcomes between groups (axSpA and non-axSpA), adjusting for the baseline value, sex, age and use of NSAIDs. Results: There were 265 axSpA and 108 non-axSpA patients: males 52% vs 26%, mean age 29 vs 31 years, respectively. At baseline, nonaxSpA patients showed worse PCS (mean 28.6 axSpA vs 26.6 non-axSpA), presenteeism ...Show moreObjective: The objective of this study was to compare health-related quality of life (HRQoL) and work productivity in axial SpA (axSpA) and nonaxSpA patients with chronic back pain of <2 years. Methods: Baseline and 2-year data for patients included in the SPondyloArthritis Caught Early cohort were analysed. HRQoL was assessed by the physical (PCS) and mental component summary (MCS) scores of the 36-Item Short-Form Health Survey, and presenteeism, absenteeism, work productivity loss (WPL) and activity impairment (AI) by the Work Productivity and Activity Impairment questionnaire. Linear or zero-inflated negative binomial regression was conducted to compare 2-year outcomes between groups (axSpA and non-axSpA), adjusting for the baseline value, sex, age and use of NSAIDs. Results: There were 265 axSpA and 108 non-axSpA patients: males 52% vs 26%, mean age 29 vs 31 years, respectively. At baseline, nonaxSpA patients showed worse PCS (mean 28.6 axSpA vs 26.6 non-axSpA), presenteeism (31.1% vs 37.3%), absenteeism (8.2% vs 10.3%), WPL (34.7% vs 44.1%) and AI (39.6% vs 48.5%). MCS was not impaired in either group. After 2 years, PCS, presenteeism, WPL and AI significantly improved in both groups; absenteeism only improved in axSpA. In multivariable analysis, axSpA (vs non-axSpA) was associated with 22% less WPL [incidence rate ratio (95% CI): 0.78 (0.62; 0.98)] and 18% less AI [0.82 (0.69; 0.97)]. Conclusion: HRQoL and work productivity are more impaired in non-axSpA (vs axSpA) at baseline and also after 2 years. Although most outcomes improve in both groups, axSpA is associated with larger reductions in WPL and AI.
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axial spondyloarthritis
chronic back pain
quality of life
work productivity
All authors
Silva, A.B. da; Ramiro, S.; Boel, A.; Lunteren, M. van; Marques, M.L.; Sande, M. van de; Fongen, C.; Exarchou, S.; Ramonda, R.; Heijde, D. van der; Gaalen, F. van
Date
2024-06-27
Journal
Rheumatology
DOI
doi:10.1093/rheumatology/keae346