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Functional Outcomes and Satisfaction Rates in Patients Aged 80 Years or Older are Not Clinically Different From Their
Jad Wehbe1, Samantha Jones1, Gregory Hodgson1
1Academic Surgical Unit at South West London Elective Orthopaedic Centre, Epsom, United Kingdom.
Background:
As the population ages, the proportion of elderly patients requiring total hip arthroplasty (THA) increases, but it is not clear whether older age independently influences outcome. The aim was to assess function, quality of life, and satisfaction after THA in patients ≥ 80 years compared with those aged between 65 and 75 years when adjusting for confounding factors.
Methods:
A single-center retrospective cohort study was performed between 2010 and 2019. A total 2,367 THAs were performed on patients ≥ 80 years and 5,113 on patients aged 65 to 75 years. The demographic data and length of stay (LOS) were recorded. Preoperative and 2-year postoperative Oxford Hip Scores (OHS), EuroQol (EQ-5D), and satisfaction scores were collected. Clinically meaningful difference was defined as 5 points in OHS and utility of 0.085 in EQ-5D. Regression analyses were performed to adjust for confounding factors.
Results:
Patients in ≥ 80-years group were more likely women (P < .001), have higher American Society of Anesthesiolgists grade (P < .001), worse preoperative OHS (mean difference [MD] 2.3, P < .001), and EQ-5D (MD 0.087, P < .001). Both age groups achieved clinically meaningful and statistically significant (P < .001) improvement in OHS and EQ-5D utility at 2 years. When adjusting for confounding variables, the ≥ 80-year-old group had significantly (P < .001) lower improvement in OHS (MD -1.9 points) and EQ-5D (MD -0.055 utility), but these differences were not clinically meaningful. There was no difference (P = .813) in satisfaction between the groups. When adjusting for confounding variables, ≥ 80-year-old group had increased risk of longer LOS (odds ratio 1.27, P < .001).
Conclusions:
There were no clinically meaningful differences in hip-specific outcome or health-related quality of life according to age group, and both were equally satisfied with their outcome. The older age group did, however, have longer LOS.
Level Of Evidence:
Level III retrospective cohort study.
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