Risk of comorbidities following physician-diagnosed knee or hip osteoarthritis: a register-based cohort study. Dell’Isola, A., Pihl, K., Turkiewicz, A., Hughes, V., Zhang, W., Bierma-Zeinstra, S., Prieto-Alhambra, D., & Englund, M. Arthritis Care & Research, 74(10):1689–1695, October, 2022. Number: 10 _eprint: https://onlinelibrary.wiley.com/doi/pdf/10.1002/acr.24717
Risk of comorbidities following physician-diagnosed knee or hip osteoarthritis: a register-based cohort study [link]Paper  doi  abstract   bibtex   
Objective To estimate the risk of developing comorbidities in patients after physician-diagnosed knee or hip osteoarthritis (OA). Design Cohort study using Swedish longitudinal healthcare register data; we studied residents in the Skåne region aged ≥35 years at January 1, 2010 free from diagnosed hip or knee OA (n= 548,681). We then identified subjects with at least one new diagnosis of knee or hip OA (incident OA) between 2010 and 2017 (n=50,942 considered exposed). Subjects without diagnosed OA were considered unexposed. From January 2010 both unexposed and exposed subjects were observed for the occurrence of 18 different pre-defined comorbidities until either relocation outside of the region, death, occurrence of the comorbidity, or December 2017, whichever came first. We calculated unadjusted and adjusted hazard ratios (HR, aHR) of comorbidities using Cox models with knee and hip OA as time-varying exposures. Results Subjects with incident knee or hip OA had 7% to 60% higher adjusted hazards (aHR between 1.07 to 1.60), of depression, cardiovascular diseases, back pain, and osteoporosis than individuals without an OA diagnosis. An increased risk of diabetes was found only for knee OA (aHR 1.19, 95% CI 1.13-1.26). For the rest of the diagnoses, we found either no increased risk or estimates with wide confidence intervals, excluding clear interpretations of the direction or size of effects. Conclusions Incident physician-diagnosed knee and hip OA is associated with increased risk of depression, cardiovascular diseases, back pain, osteoporosis, and diabetes. However, the latter only for knee OA.
@article{dellisola_risk_2022,
	title = {Risk of comorbidities following physician-diagnosed knee or hip osteoarthritis: a register-based cohort study},
	volume = {74},
	issn = {2151-4658},
	shorttitle = {Risk of comorbidities following physician-diagnosed knee or hip osteoarthritis},
	url = {https://onlinelibrary.wiley.com/doi/abs/10.1002/acr.24717},
	doi = {10.1002/acr.24717},
	abstract = {Objective To estimate the risk of developing comorbidities in patients after physician-diagnosed knee or hip osteoarthritis (OA). Design Cohort study using Swedish longitudinal healthcare register data; we studied residents in the Skåne region aged ≥35 years at January 1, 2010 free from diagnosed hip or knee OA (n= 548,681). We then identified subjects with at least one new diagnosis of knee or hip OA (incident OA) between 2010 and 2017 (n=50,942 considered exposed). Subjects without diagnosed OA were considered unexposed. From January 2010 both unexposed and exposed subjects were observed for the occurrence of 18 different pre-defined comorbidities until either relocation outside of the region, death, occurrence of the comorbidity, or December 2017, whichever came first. We calculated unadjusted and adjusted hazard ratios (HR, aHR) of comorbidities using Cox models with knee and hip OA as time-varying exposures. Results Subjects with incident knee or hip OA had 7\% to 60\% higher adjusted hazards (aHR between 1.07 to 1.60), of depression, cardiovascular diseases, back pain, and osteoporosis than individuals without an OA diagnosis. An increased risk of diabetes was found only for knee OA (aHR 1.19, 95\% CI 1.13-1.26). For the rest of the diagnoses, we found either no increased risk or estimates with wide confidence intervals, excluding clear interpretations of the direction or size of effects. Conclusions Incident physician-diagnosed knee and hip OA is associated with increased risk of depression, cardiovascular diseases, back pain, osteoporosis, and diabetes. However, the latter only for knee OA.},
	language = {en},
	number = {10},
	urldate = {2021-09-06},
	journal = {Arthritis Care \& Research},
	author = {Dell’Isola, Andrea and Pihl, Kenneth and Turkiewicz, Aleksandra and Hughes, Velocity and Zhang, Weiya and Bierma-Zeinstra, Sita and Prieto-Alhambra, Daniel and Englund, Martin},
	month = oct,
	year = {2022},
	note = {Number: 10
\_eprint: https://onlinelibrary.wiley.com/doi/pdf/10.1002/acr.24717},
	keywords = {Comorbidity, Epidemiology, Osteoarthritis, hip, knee},
	pages = {1689--1695},
}

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