Analysis of factors influencing patient satisfaction after total hip arthroplasty in a Japanese cohort: the significant effect of postoperative physical activity.
Tsutomu Fujita, Satoshi Hamai, Kyohei Shiomoto and 10 others
PMID 35221508WHAT IT FOUND
Postoperative physical activity levels, not mental health scores, were the strongest factors linked to patient satisfaction after hip replacement.
Patients who reported higher activity levels and demonstrated greater hip abductor strength were significantly more likely to be very satisfied.
Key findings
01Higher postoperative Oxford Hip Score for activities of daily living and higher UCLA activity scores were significantly associated with greater patient satisfaction.
02There was no significant difference in mental component summary scores between very satisfied patients and other patients.
03Objective daily step counts showed a significant positive correlation with self-reported functional activity levels.
STILL TO COME
How it was doneWhat they foundWhat it means for PTsWhat it means for OTs
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What it does not show
The study did not standardize follow-up periods, ranging from 12 to 84 months, which may introduce variability. Muscle strength and objective step counts were only measured in small subsets (89 and 26 patients respectively), limiting the generalizability of these specific findings. A ceiling effect was observed in the Oxford Hip Score for activities of daily living in 30.7% of patients, meaning the test may not distinguish between high levels of function. The study was cross-sectional in nature regarding satisfaction, so it identifies associations rather than proving that increased activity causes increased satisfaction. Details of specific sports or daily life activities were not ascertained.
Declared interests
The authors declared no conflicts of interest. The research did not receive specific funding from public, commercial, or nonprofit sectors.
The easy way to misread this
Do not assume that improving mental health scores will directly increase patient satisfaction after hip replacement, as this study found no significant association between SF-12 mental component scores and satisfaction levels.