The relationship between patient-reported outcomes and preoperative pain characteristics in patients who underwent total hip arthroplasty

B. P. Everett, G. Sherrill, P. A. Nakonezny, J. E. Wells

Research output: Contribution to journalArticlepeer-review

Abstract

Aims This study aims to answer the following questions in patients with hip osteoarthritis (OA) who underwent total hip arthroplasty (THA): Are patient-reported outcome measures (PROMs) affected by the location of the maximum severity of pain?; are PROMs affected by the presence of non-groin pain?; are PROMs affected by the severity of pain?; and are PROMs affected by the number of pain locations? Methods We reviewed 336 hips (305 patients) treated with THA for hip OA from December 2016 to November 2019 using pain location/severity questionnaires, modified Harris Hip Score (mHHS), Hip Outcome Score (HOS), international Hip Outcome Tool (iHOT-12) score, and radiological analysis. Descriptive statistics, analysis of covariance (ANCOVA), and Spearman partial correlation coefficients were used. Results There was a significant difference in iHOT-12 scores between groups experiencing the most severe pain in the groin and the trochanter (p = 0.039). Additionally, more favourable mHHS scores were related to the presence of preoperative pain in trochanter (p = 0.049), lower back (p = 0.056), lateral thigh (p = 0.034), and posterior thigh (p = 0.005). Finally, the maximum severity of preoperative pain and number of pain locations had no significant relationship with PROMs (maximum severity: HHS: P = 0.928, HOS: P = 0.163, iHOT-12 p = 0.233; number of pain locations: HHS: P = 0.211; HOS: P = 0.801; iHOT-12: P = 0.112). Conclusion Although there was a significant difference in iHOT-12 scores between patients with the most severe pain in the groin or trochanter, and the presence of pain in the trochanter, lower back, lateral thigh, or posterior thigh was related to higher mHHS scores, the majority of preoperative pain characteristics did not have a significant impact on outcomes. Therefore, a broad array of patients with hip OA might expect similar, favourable outcomes from THA notwithstanding preoperative pain characteristics.

Original languageEnglish (US)
Pages (from-to)332-339
Number of pages8
JournalBone and Joint Open
Volume3
Issue number4
DOIs
StatePublished - Apr 2022

Keywords

  • Pain characteristics
  • Patient-reported outcomes
  • Total hip arthroplasty

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Surgery

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