Lastly, the external validity of the findings were based on a com

Lastly, the external validity of the findings were based on a community-based cohort within a universal healthcare system rather than recruitment from a single centre. Some limitations also warrant recognition, in particular, defining diabetes

status in this cohort. Diabetes was determined by self-report, chart review or both. In particular, 12 (20%) participants with diabetes documented in the chart did not report having diabetes. The preoperative assessment was performed during the month prior to surgery and it is possible that some of these participants were newly diagnosed. Nevertheless, a small degree of misclassification of diabetes is a limitation that needs to be recognised. INCB024360 ic50 There was a relatively small subgroup of participants who reported that diabetes impacted on their routine activities, yet they had a large and statistically significant effect in the univariate and multivariable models for WOMAC pain and function scores. Although this was a community-based study that included three hospitals and 29 surgeons, the small number of participants with diabetes may be due, in part, to only those who were selleck kinase inhibitor medically fit being recommended for this elective surgery. The findings from this study indicate that diabetes, along with other associated comorbid conditions, is complex and burdensome. Knowing which conditions account for the amount of impairment during recovery will provide direction

to institute treatment priorities, both within the hospital and community settings. Physiotherapy after total joint arthroplasty is effective during the post-discharge recovery period44 and 45 and providing targeted treatment for a subset of people who are at risk of slower recovery may maximise their rehabilitation potential. To identify that subset, physiotherapists can simply ask during preoperative screening whether diabetes impacts on routine activities. People who are identified in this way can be monitored more closely over the 6 months following

surgery. What is already known on this topic: People undergoing a total knee arthroplasty who also have diabetes are at increased risk of surgical complications, systemic complications, prolonged hospitalisation and mortality. What this Parvulin study adds: Diabetes is also associated with slower resolution of pain and recovery of function after total knee arthroplasty, but only if the diabetes is severe enough that the person perceives preoperatively that it impacts on the completion of routine daily activities. Physiotherapists can therefore prospectively identify people who are at risk of slower recovery after total knee arthroplasty simply by asking those with diabetes if their diabetes impacts on their daily activities. eAddenda: Table 2 can be found online at doi:10.1016/j.jphys.2014.09.006 Ethics approval: The Health Research Ethics Board at the University of Alberta approved this study.

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