Diabetes as a Risk Factor
Moderate evidence supports that patients with diabetes are at higher risk for complications with total knee arthroplasty (TKA).
Surgical Management of Osteoarthritis of the Knee
Endorsed by: The Knee Society, SOMOS, AAHKS, ACR, AGS, AANA

Rationale
There was one high quality paper (Jamsen 2013) that showed a higher rate of complications and an increased risk of revision surgery for diabetics after total knee arthroplasty. Since it was the only high quality paper extracted, the recommendation strength is moderate. 
 

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