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Table 1 Total primary TKR numbers for males and females combined (57.4% female) across deciles of socioeconomic status (SES), as measured by the Index of Relative Socioeconomic Advantage and Disadvantage (IRSAD), for Australia 2003–10

From: Associations between socioeconomic status and primary total knee joint replacements performed for osteoarthritis across Australia 2003–10: data from the Australian Orthopaedic Association National Joint Replacement Registry

Age (yr)

Deciles of SES

1*

2

3

4

5

6

7

8

9

10

30-39

29 (0.02)

36 (0.03)

28 (0.02)

23 (0.02)

35 (0.02)

25 (0.02)

34 (0.02)

26 (0.02)

21 (0.01)

10 (0.01)

40-49

466 (0.34)

481 (0.34)

403 (0.28)

422 (0.30)

412 (0.28)

423 (0.28)

403 (0.25)

452 (0.27)

318 (0.19)

214 (0.13)

50-59

3,128 (2.64)

3,523 (2.80)

3,370 (2.67)

3,097 (2.54)

3,193 (2.44)

3,134 (2.34)

3,002 (2.15)

2,983 (2.03)

2,809 (1.94)

2,398 (1.67)

60-69

7,852 (9.86)

8,510 (10.08)

8,014 (9.45)

7,202 (8.81)

7,235 (8.22)

6,988 (7.76)

6,989 (7.46)

6,814 (6.90)

6,345 (6.51)

6,213 (6.43)

70-79

8,496 (16.92)

9,476 (17.81)

8,690 (16.25)

7,812 (15.15)

7,529 (13.57)

7,297 (12.86)

7,404 (12.53)

7,322 (11.76)

6,841 (11.14)

6,693 (10.98)

80-89

2,995 (13.73)

3,249 (14.06)

2,881 (12.40)

2,536 (11.32)

2,671 (11.08)

2,569 (10.42)

2,668 (10.39)

2,713 (10.03)

2,670 (10.01)

2,746 (10.37)

90+

62 (2.37)

76 (2.75)

67 (2.41)

52 (1.94)

56 (1.94)

68 (2.30)

69 (2.24)

77 (2.38)

76 (2.38)

97 (3.06)

  1. Rates (presented in parentheses) are age-standardized to the 2006 Australian population at risk in each SES decile.
  2. *SES decile 1 is the most disadvantaged.