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Table 1 Joint replacement demographics and estimated costs in 2003 and 2013

From: The projected burden of primary total knee and hip replacement for osteoarthritis in Australia to the year 2030

  Total knee replacement Total hip replacement
2003 2013 2003 2013
Procedures
 Total, n 20,986 42,920 15,031 25,945
 Females, n (%) 12,004 (57.2) 24,305 (56.6) 8192 (54.5) 13,830 (53.3)
 Aged ≥70 years, n (%) 11,206 (53.4) 19,115 (44.5) 7701 (51.2) 11,655 (44.9)
 Private hospital, n (%) 13,650 (65.0) 29,783 (69.4) 9581 (64.1) 18,163 (70.0)
 Metropolitan hospital, n (%) 13,687 (65.2) 27,557 (64.6) 10,107 (67.2) 17,556 (67.7)
  > 1 procedure in same yeara, n (%) 2824 (13.5) 6978 (16.3) 860 (5.7) 1688 (6.5)
Estimated costsb
 Overall health system $448 million $905 million $364 million $625 million
 Private health system only $272 million $591 million $227 million $429 million
 Public health system only $176 million $314 million $137 million $196 million
  1. aTwo or more procedures in the same year and same hospital setting were classified as bilateral simultaneous procedures for costing purposes
  2. bAll costs are reported in 2016 Australian dollars