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Table 1 CRUDE numbers and rates per 1,000py of total hip replacements (thr) by age, gender and socioeconomic quintiles for 2006–7

From: Cross-sectional analysis of association between socioeconomic status and utilization of primary total hip joint replacements 2006–7: Australian Orthopaedic Association National Joint Replacement Registry

   Total   Quintile 1   Quintile 2   Quintile 3   Quintile 4   Quintile 5
Age (yrs) At risk n= THRa Rate At risk n Rate At risk n Rate At risk n Rate At risk n Rate At risk n Rate
Males
20-29 14,727 - - 3167 - - 2998 - - 3071 - - 3120 - - 2371 - -
30-39 16,624 3 0.1 3173 - - 3149 - - 3638 - - 3746 3 0.4 2918 - -
40-49 18,192 29 0.8 3315 2 0.3 3155 5 0.8 3922 3 0.4 4011 6 0.7 3789 7 0.9
50-59 17,020 56 1.6 2992 37 6.2 3012 6 1.0 3758 13 1.7 3572 11 1.5 2686 17 2.3
60-69 11,767 115 4.9 2262 20 4.4 2354 28 5.9 295 14 2.9 2410 27 5.6 2346 17 3.6
70-79 8,383 102 6.1 1855 20 5.4 1864 24 6.4 1682 14 4.2 1644 19 5.8 1338 17 6.4
>79 4,361 36 4.1 876 4 2.3 1009 8 4.0 1004 9 4.5 816 4 2.5 656 8 6.1
Females
20-29 14,498 - - 3300 - - 2975 - - 2984 - - 2914 - - 2325 - -
30-39 17,599 2 0.06 3417 - - 3274 2 0.3 3817 - - 3834 - - 3257 - -
40-49 19,367 10 0.3 3509 3 0.4 3388 - - 4169 1 0.1 4140 2 0.2 4161 3 0.4
50-59 17,653 54 1.5 3242 13 2.0 3235 9 1.4 3836 5 0.7 3666 11 1.5 3674 10 1.4
60-69 12,435 85 3.4 2552 14 2.7 2506 9 1.8 2596 19 3.7 2499 14 2.8 2282 24 5.3
70-79 9,872 107 5.4 2230 20 4.5 2248 25 5.6 2104 19 4.5 1808 19 5.3 1482 18 6.1
>79 7,320 43 2.9 1480 9 3.0 1711 10 2.9 1698 7 2.1 1399 9 3.2 1032 8 3.9
  1. a n = Total hip replacement (THR) in the Total Column includes Primary THR where SEIFA values were unavailable.
  2. *Most disadvantaged quintile of SES. Rate = THR per 1,000 person years. At risk = population at risk.