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Table 1 All patients who underwent UKA and TKA during the study period

From: Unicompartmental knee arthroplasty: A PearlDiver study evaluating complications rates, opioid use and utilization in the Medicare population

  UKA TKA
Total 7,808 150,680
  # % # %
Age
 64 and under 977 13% 21,325 14%
 65–69 2,208 28% 40,708 27%
 70–74 2,303 29% 42,825 28%
 75–79 1,427 18% 30,510 20%
 80–84 723 9% 15,273 10%
 85 and older 304 4% 6,104 4%
Region
 Midwest 2,198 28% 43,775 29%
 Northeast 183 2% 4,167 3%
 South 4,678 60% 87,067 58%
 West 750 10% 15,718 10%
Gender
 Female 4,216 54% 96,536 64%
 Male 3,592 46% 54,144 36%
Race
 White 6,547 84% 119,440 79%
 Black 345 4% 14,487 10%
 Asian 34 0% 656 0%
 Hispanic 53 1% 1,565 1%
 Native American 14 0% 341 0%
 Other 75 1% 1,522 1%
 Unknown 740 9% 12,669 8%