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Table 5 The relationship of gender, age, and percentage of patients to hip disease of primary THR, in Taiwan, Norwegian and Swedish.

From: Incidence of hip replacement among national health insurance enrollees in Taiwan

  Diagnosis Percentage (%) Men (%) Mean age (range) (yrs)
Taiwan (1996–2004) FNF 1.5 48 70
  AVN 46.9 79 50
  OA 41.6 43 60
Norwegian (1987–1999) FNF 13 21 73
  AVN 0.8 51 57
  OA 69 32 70
Swedish (1992–2002) FNF 11.4 - 76
  AVN 2.9 - 70
  OA 74 - 69