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Table 2 Available years for total knee arthroplasty (TKA) quality indicators in quality reports (table based on [22])

From: Impact of suspending minimum volume requirements for knee arthroplasty on hospitals in Germany: an uncontrolled before–after study

TKA Quality Indicator 2006 2008 2010 2012 2013 2014
aTKA meets indication criteria No No Yes Yes Yes Yes
aPerioperative antibiotic prophylaxis applied No No No Yes Yes Yes
aPostoperative mobility (neutral zero method) measured No No Yes Yes Yes Yes
aPostoperative mobility of at least 0/0/90 (neutral zero method) No No Yes Yes Yes Yes
Postoperative wound infection Yes Yes No No Yes Yes
Ratio of observed to expected rate (o/e) of postoperative wound infections No No No No Yes Yes
Reoperation due to complications Yes Yes Yes No Yes Yes
Ratio of observed to expected rate (o/e) of reoperations due to complications No No No No Yes Yes
In-hospital mortality No No Yes Yes Yes Yes
Ratio of observed to expected rate (o/e) of in-hospital mortality No No No Yes Yes Yes
  1. aQuality indicator data availability not limited by data protection regulations and with consistent definition
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