The Impact of Body Mass Index on Patient Reported Outcome Measures (PROMs) and Complications Following Primary Hip Arthroplasty |
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| Authors: | Simon S. Jameson James M. Mason Paul N. Baker David W. Elson David J. Deehan Mike R. Reed |
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| Affiliation: | 1. School of Medicine and Health, Durham University, Queen''s Campus, Stockton-on-Tees, UK;2. The National Joint Registry for England and Wales;3. School of Medicine, Pharmacy and Health, Durham University, Queen''s Campus, Stockton-on-Tees, UK;4. Newcastle Hospitals NHS Foundation Trust, Newcastle, upon Tyne, UK;5. Northumbria Healthcare NHS Foundation Trust, Ashington, Northumberland, UK |
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| Abstract: | ![]()
Influence of BMI upon patient outcomes and complications following THA was examined across a national cohort of patients. Outcomes were compared by BMI groups (19.0–29.9 kg/m2 [reference], 30.0–34.9 kg/m2 [obese class I], 35.0 kg/m2+ [obese class II/III]), adjusted for case-mix differences. Obese class I patients had a significantly smaller improvement in OHS (18.9 versus 20.5, P < 0.001) and a greater risk of wound complications (odds ratio [OR] = 1.57, P = 0.006). For obese class II/III patients, there were significantly smaller improvements in OHS and EQ-5D index (P < 0.001), and greater risk of wound complications (P = 0.006), readmission (P = 0.001) and reoperation (P = 0.003). Large improvements in patient outcomes were seen irrespective of BMI, although improvements were marginally smaller and complication rates higher in obese patients. |
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| Keywords: | body mass index patient reported outcomes complications total hip replacement national joint registry |
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