Patient-reported outcomes after primary or revision total hip arthroplasty: A propensity score-matched Asian cohort study

• DOI: 10.1371/journal.pone.0252112
• Publication Date: 2021-05-27T18:38:18Z
• Authors: Satoru Harada; Satoshi Hamai; Kyohei Shiomoto; Daisuke Hara; Masanori Fujii; Satoshi Ikemura; Goro Motomura; Yasuharu Nakashima
• Keywords: Adult; Aged, 80 and over; Male; Reoperation; Science; Arthroplasty, Replacement, Hip; Q; R; Middle Aged; Cohort Studies; 03 medical and health sciences; Treatment Outcome; 0302 clinical medicine; Surveys and Questionnaires; Medicine; Humans; Female; Patient Reported Outcome Measures; Postoperative Period; Research Article; Aged

Background Few studies have compared patient-reported outcome measures (PROMs) between primary and revision total hip arthroplasty (THA). We investigated and compared PROMs between propensity score-matched primary and revision THA in an Asian cohort.

Methods The Oxford Hip Score (OHS) and University of California-Los Angeles (UCLA) activity score, satisfaction score, and Short Form-12 Health Survey (SF-12) were compared between 110 primary and 110 revision THAs after propensity score matching. Multivariate analyses were performed to determine which factors, including patients’ demographics, indication for revision, and pre-operative PROMs, were associated with post-operative PROMs in the revision THA cohort.

Results The revision THA cohort demonstrated significantly lower post-operative OHS, UCLA activity score, and satisfaction score (10% decrease on average) than those in the primary THA cohort (P < .05). The difference in SF-12 mental component summary measure (MCS) between the two cohorts was statistically insignificant (P = .24). In multivariate analysis for the revision THA cohort, lower post-operative UCLA activity score was significantly associated with higher BMI and lower pre-operative UCLA activity score (P < .05).

Conclusion Revision THA was associated with a modest but significant decrease in physical PROMs as compared with primary THA. Pre-operative UCLA activity score significantly affected the post-operative physical outcome measures in the revision THA cohort. However, post-operative SF-12 MCS was comparable between the primary and revision THA cohorts.