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The genetic contribution to hand osteoarthritis

Magnusson, K. LU ; Turkiewicz, A. LU ; Haugen, I. K. and Englund, M. LU orcid (2022) In Osteoarthritis and Cartilage 30(10). p.1385-1389
Abstract

Objective: To estimate the genetic contribution to doctor-diagnosed hand osteoarthritis (OA). Methods: Using data from the Swedish Twin Registry and National Patient Register, we conducted a 20-year population-based longitudinal cohort study including 59,970 twins aged 35 years or older. We studied inpatient and outpatient doctor-diagnosed hand OA using ICD-10 codes from 1997 until 2016, including both the distal/proximal interphalangeal (DIP/PIP) joints and/or the first carpometacarpal (CMC-1) joints. We calculated intra-pair correlation, estimated the heritability (i.e., the percentage variation in hand OA that can be explained by genetic factors) as well as a genetic risk. Results: Among 59,970 included persons, 936 had a hand OA... (More)

Objective: To estimate the genetic contribution to doctor-diagnosed hand osteoarthritis (OA). Methods: Using data from the Swedish Twin Registry and National Patient Register, we conducted a 20-year population-based longitudinal cohort study including 59,970 twins aged 35 years or older. We studied inpatient and outpatient doctor-diagnosed hand OA using ICD-10 codes from 1997 until 2016, including both the distal/proximal interphalangeal (DIP/PIP) joints and/or the first carpometacarpal (CMC-1) joints. We calculated intra-pair correlation, estimated the heritability (i.e., the percentage variation in hand OA that can be explained by genetic factors) as well as a genetic risk. Results: Among 59,970 included persons, 936 had a hand OA diagnosis registered during the study period. The heritabilities of hand OA (any joint), CMC-1 OA and DIP/PIP OA were ∼87%, 86% and 48%, respectively, yet the two latter should be interpreted with care due to low numbers. Hand OA in any joint in both twins in a pair occurred more frequently in identical twins (54/554 = 9.7%, intra-pair correlation = 0.54, 95% CI = 0.44–0.63) than in fraternal twins (18/1,246 = 1.4%, intra-pair correlation = 0.10, 95% CI = −0.01–0.22). Identical twins who were diagnosed with hand OA in any joint had a far higher risk than fraternal twins with hand OA to also have their co-twin diagnosed with hand OA in any joint (Hazard Ratio = 6.98, 95% CI = 3.08–15.45). Conclusion: The genetic contribution to hand OA is high and likely varying between 48% and 87%. Potential differential heritability by hand OA phenotypes should be further explored.

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author
; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Epidemiology, Genetics, Hand OA
in
Osteoarthritis and Cartilage
volume
30
issue
10
pages
1385 - 1389
publisher
Elsevier
external identifiers
  • scopus:85135841086
  • pmid:35843480
ISSN
1063-4584
DOI
10.1016/j.joca.2022.06.011
language
English
LU publication?
yes
id
c07e90ba-8731-4e5c-8795-426c0ab4a9b8
date added to LUP
2022-09-19 11:49:41
date last changed
2024-06-13 15:52:22
@article{c07e90ba-8731-4e5c-8795-426c0ab4a9b8,
  abstract     = {{<p>Objective: To estimate the genetic contribution to doctor-diagnosed hand osteoarthritis (OA). Methods: Using data from the Swedish Twin Registry and National Patient Register, we conducted a 20-year population-based longitudinal cohort study including 59,970 twins aged 35 years or older. We studied inpatient and outpatient doctor-diagnosed hand OA using ICD-10 codes from 1997 until 2016, including both the distal/proximal interphalangeal (DIP/PIP) joints and/or the first carpometacarpal (CMC-1) joints. We calculated intra-pair correlation, estimated the heritability (i.e., the percentage variation in hand OA that can be explained by genetic factors) as well as a genetic risk. Results: Among 59,970 included persons, 936 had a hand OA diagnosis registered during the study period. The heritabilities of hand OA (any joint), CMC-1 OA and DIP/PIP OA were ∼87%, 86% and 48%, respectively, yet the two latter should be interpreted with care due to low numbers. Hand OA in any joint in both twins in a pair occurred more frequently in identical twins (54/554 = 9.7%, intra-pair correlation = 0.54, 95% CI = 0.44–0.63) than in fraternal twins (18/1,246 = 1.4%, intra-pair correlation = 0.10, 95% CI = −0.01–0.22). Identical twins who were diagnosed with hand OA in any joint had a far higher risk than fraternal twins with hand OA to also have their co-twin diagnosed with hand OA in any joint (Hazard Ratio = 6.98, 95% CI = 3.08–15.45). Conclusion: The genetic contribution to hand OA is high and likely varying between 48% and 87%. Potential differential heritability by hand OA phenotypes should be further explored.</p>}},
  author       = {{Magnusson, K. and Turkiewicz, A. and Haugen, I. K. and Englund, M.}},
  issn         = {{1063-4584}},
  keywords     = {{Epidemiology; Genetics; Hand OA}},
  language     = {{eng}},
  number       = {{10}},
  pages        = {{1385--1389}},
  publisher    = {{Elsevier}},
  series       = {{Osteoarthritis and Cartilage}},
  title        = {{The genetic contribution to hand osteoarthritis}},
  url          = {{http://dx.doi.org/10.1016/j.joca.2022.06.011}},
  doi          = {{10.1016/j.joca.2022.06.011}},
  volume       = {{30}},
  year         = {{2022}},
}