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- Stamatis, Pavlos, et al.
(författare)
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Epidemiology of biopsy-confirmed giant cell arteritis in southern Sweden - an update on incidence and first prevalence estimate
- 2021
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Ingår i: Rheumatology. - : Oxford University Press (OUP). - 1462-0332 .- 1462-0324. ; 61:1, s. 146-153
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Tidskriftsartikel (refereegranskat)abstract
- AbstractObjectiveTo characterize the epidemiology of temporal artery biopsy–positive (TAB+) giant cell arteritis (GCA), including trends in incidence, seasonal variation, and prevalence in Skåne, the southernmost region of Sweden.MethodsAll histopathology reports of TABs from 1997 through 2019 were reviewed to identify patients diagnosed with TAB+ GCA. Incidence rates based on the 23-year period and the point-prevalence at 31 December, 2014 were determined. An alternative prevalence calculation included only TAB+ GCA patients living in the study area and receiving immunosuppressant therapy on the point-prevalence date.Results1360 patients were diagnosed with TAB+ GCA (71% female). The average annual incidence 1997–2019 was 13.3 (95% CI 12.6–14.0) per 100 000 inhabitants aged ≥50 years and was higher in females (17.8; 95% CI 16.7–18.9) than in males (8.2; 95% CI 7.4–9.0). The age- and sex- standardized incidence declined from 17.3 in 1997–8.7 in 2019, with incidence ratio (IR) of 0.98 per year (95% CI 0.98–0.99). A seasonal variation was observed with higher incidence during spring than winter [IR 1.19 (95% CI 1.03–1.39)]. The overall point-prevalence of TAB+ GCA was 127.1 per 100 000 (95% CI 117–137.3) and was 75.5 (95% CI 67.7–83.3) when including only patients receiving immunosuppressants.ConclusionsOver the past two decades, the incidence of biopsy-confirmed GCA has decreased by ∼2% per year. Still, a high prevalence of GCA on current treatment was observed. More cases are diagnosed during spring and summer than in the winter.
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- Strömbeck, Britta, et al.
(författare)
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Patients with ankylosing spondylitis have increased sick leave—a registry-based case-control study over 7 yrs
- 2009
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Ingår i: Rheumatology. - Oxford : Oxford University Press. - 1462-0324 .- 1462-0332. ; 48:3, s. 289-292
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Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVES: Using prospectively collected registry data to investigate sick leave (sickness benefit and sickness compensation) over a 7-yr period in patients with AS in comparison with population-based controls matched for age, sex and residential area.METHODS: We investigated 122 (21 women and 101 men) outpatients with AS in South Sweden, born 1942 or later, from rheumatology specialist care for their sick leave during a 7-yr period. Mean (S.D.) age was 43 (11) yrs and mean (S.D.) disease duration was 20 (11) yrs. Two controls per case, matched for age, sex and residential area were selected from the Swedish National Population Register. Data concerning sick leave for cases and controls, based on the subjects' unique 10-digit personal identification number, were retrieved from the national register of the Swedish Social Insurance Agency.RESULTS: More AS patients than controls were registered for sickness benefit (52 vs 36%, P < 0.01) and sickness compensation (42 vs 11%, P < 0.001). Cases had an increased risk for sick leave compared with controls with a relative risk of 1.8; 95% CI 1.5, 2.1; and cases had more days with sick leave than controls (median number of more days per year 30; 95% CI 2, 72).CONCLUSIONS: Using the Swedish Social Insurance Agency's registers for sick leave, we found that patients with AS in rheumatology specialist care in South Sweden have an increased level of sick leave compared with controls. These population-based registers have a great potential for studies of the effects of different interventions on sick leave. © 2009 The Author(s).
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- Turkiewicz, Aleksandra, et al.
(författare)
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Knee and hip osteoarthritis and risk of nine cancers in a large real-world matched cohort study
- 2022
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Ingår i: Rheumatology (Oxford, England). - : Oxford University Press (OUP). - 1462-0332 .- 1462-0324. ; 61:6, s. 2325-2334
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Tidskriftsartikel (refereegranskat)abstract
- ObjectivesJoint replacement due to end-stage OA has been linked to incidence of several cancers. We aimed to estimate the association between newly diagnosed knee and hip OA and incidence of nine common cancer types.MethodsWe identified persons with incident knee or hip OA, aged ≥40 years, between 2009 and 2015 in the SIDIAP database in Catalonia, Spain. We matched up to three OA-free controls on age, sex and general practitioner. We followed participants from 1 year after OA diagnosis until migration, death, end of study at 31 December 2017 or incident cancer of: stomach, colorectal, liver, pancreas, lung, skin, breast, prostate and bladder. We used flexible parametric survival models, adjusted for confounders. Estimates were corrected for misclassification using probabilistic bias analysis.ResultsWe included 117 750 persons with knee OA and matched 309 913 persons without, with mean (S.D.) age of 67.5 (11.1) years and 63% women. The hip cohort consisted of 39 133 persons with hip OA and 116 713 controls. For most of the included cancers, the hazard ratios (HRs) were close to 1. The HR of lung cancer for knee OA exposure was 0.80 (95% CI: 0.71, 0.89) and attenuated to 0.98 (0.76, 1.27) in non-smokers. The hazard of colorectal cancer was lower in persons with both knee and hip OA by 10–20%.ConclusionsKnee and hip OA are not associated with studied incident cancers, apart from lower risk of colorectal cancer. The often-reported protective association of knee OA with lung cancer is explained by residual confounding.
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