The prevalence of hip osteoarthritis: a systematic review and meta-analysis
Authors' conclusion
HOA has high prevalence worldwide and increases with age. The prevalence varies significantly by region but not by patient sex.
Study context
- Population
- Studies reporting hip osteoarthritis (HOA) prevalence; EMBASE, PubMed, Web of science, CINAHL and SCOPUS searched from inception until August 2022
- Participants
- 326,463 participants31 studies
- Outcome
- Pooled global prevalence of HOA
Methodological detailsrandom-effects meta-analysis, subgroup meta-analysis, meta-regression, All included studies had a Quality Score of at least 4, Kellgren-Lawrence (K-L) grade classification most frequently used diagnostic method: 19/31 (61.3%) studies
- Random-effects meta-analysis
- Subgroup meta-analysis
- Meta-regression
- All included studies had a Quality Score of at least 4
- K-L grade classification most frequently used diagnostic method: 19/31 (61.3%) studies
Pooled result
As reported in the abstract
Pooled prevalence of HOA (K-L grade ≥ 2), worldwide
Pooled prevalence, K-L grade ≥ 2
8.55%
95% CI 4.85–13.18
Further pooled results
HOA prevalence by region
- Africa
- 1.20% (lowest; 95% CI: 0.40-2.38)
- Asia
- 4.26% (95% CI 0.02-14.93)
- North America
- 7.95% (95% CI 1.98-17.36)
- Europe
- 12.59% (highest; 95% CI 7.17-19.25)
HOA prevalence by sex
- Men
- 9.42% (95% CI:4.81-15.34)
- Women
- 7.94% (95% CI: 3.57-13.81)
- No statistically significant difference between men and women
Age and HOA prevalence (meta-regression)
- Correlation between age and prevalence of HOA
Original publication
The prevalence of hip osteoarthritis: a systematic review and meta-analysis. Arthritis Res Ther. Published 29 March 2023. doi:10.
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