Table 4

Results of individual studies investigating the association between obesity and postsurgical complications

Obesity versus complications
Author, yearBMI: mean (SD)MeasureResults
Ollivier et al, 201273 25.13 (3.14)*HHS/HOOS
Pietschmann et al, 201375 28.4 (4.62)*OKSAt long term, physical activities were not related to complications (P<0.01). Physically active patients had less pain and better OKS scores after UKA.
Poortinga et al, 201476 28.7 (4.9)WOMACAt long term, physical activity was not associated with WOMAC score (P>0.05) after THA or TKA.
Sechriest et al, 200779 28.1 (8.3)UCLAAt long term increased BMI was not correlated to UCLA physical activity score (r=−0.07; P=0.67) after TKA.
  • *Calculated following guidelines from Cochrane Handbook for Systematic Reviews of Interventions.

  • BMI, body mass index; HHS, Harris Hip Score; HOOS, Hip disability and Osteoarthritis Outcome Score; OKS, Oxford Knee Score; r, coefficient of association; THA, total hip arthroplasty; TKA, total knee arthroplasty; UCLA, University of California, Los Angeles Activity Questionnaire; UKA, unicompartmental knee arthroplasty; WOMAC, Western Ontario and McMaster Universities Osteoarthritis Index.