Prevalence of diffuse idiopathic skeletal hyperostosis (DISH) and early-phase DISH across the lifespan of an American population
Authors' conclusion
The continuum of imaging features associated with DISH is detected in more than one in four adults and both sexes in an American population.
Study context
- Population
- Individuals over 19 years of age with CT of the thoracic spine from a Northern US catchment area16,710 motion segments
- Participants
- 1,536 unique images
- Exposure
- Female vs Male
- Femalen = 766
- Malen = 770
- Outcome
- Prevalence of DISH and early-phase DISH
Methodological detailsretrospective image evaluation, stratified random sampling by age and sex, Rochester Epidemiology Project
- Retrospective image evaluation
- Stratified random sampling by age and sex
- Rochester Epidemiology Project
Main finding
As reported in the abstract
- Early-phase DISH prevalence, overall
- 13.2%
- Early-phase DISH prevalence, female
- 10.4%
- Early-phase DISH prevalence, male
- 15.8%
- Established DISH prevalence, overall
- 14.2%
- Established DISH prevalence, female
- 7.4%
- Established DISH prevalence, male
- 20.9%
Observational data: associations, not effects.
Further findings
Motion segments with ectopic mineralization in the thoracic spine
- Proportion of all motion segments evaluated
- 40.5%
Heterogeneity within each disease classification
- Remarkable heterogeneity by extent of thoracic spine affected and degree of mineralization
Original publication
Prevalence of diffuse idiopathic skeletal hyperostosis (DISH) and early-phase DISH across the lifespan of an American population. Rheumatology (Oxford). Published 22 July 2023. doi:10.
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