Why the study?
There is no consensus on which preoperative factors are most associated with achieving or not achieving a meaningful improvement after THA, as prior studies have largely relied on single-center or single-country cohorts.
What preoperative factors are associated with not achieving a minimum clinically important difference in pain and function 1 year after THA?
Population
594 patients across four countries with complete 1-year PROMs and radiographs after THA
Comparison
Preoperative demographic, clinical, and radiographic factors associated with not achieving MCIDs
Design
Retrospective analysis of prospective international multicenter cohort data
Follow-up
1 year
Authors
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May aid risk stratification for modest THA gains; hypothesis-generating and requires prospective validation before practice change.
What preoperative factors are associated with not achieving a minimum clinically important difference in pain and function 1 year after THA?
Higher preoperative joint space width, female sex, and lower SF-36 mental component scores are associated with a failure to achieve clinically important improvements in pain after total hip arthroplasty.
Rojanasopondist et al. (2019) studied this question.
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