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Table 1 Characteristics of Swedish and Danish patients

From: Factors influencing health-related quality of life after total hip replacement - a comparison of data from the Swedish and Danish hip arthroplasty registers

Variable Denmark Sweden Danish reference THR population Swedish reference THR population
Male sex 40.5% (256) 42.2% (6148) 43.8% (2579) 43.1% (10 182)
Age 68.5 (± 10.1) 69.4 (± 9.6) 69.1 (± 9.8) 68.6 (± 10.3)
Right side 54.6% (345) 56.1% (8174) 53.3% (3162) 55.5% (13 102)
Year of surgery 2008.3 (± 0.2) 2007.0 (± 0.6) (2008) (2006–2007)
Charlson score   
  Low 91.0% (575) 86.3% (12 561) 89.7% (5318) 86.8% (20 481)
  Medium (1–2) 8.4% (53) 12.8% (1859) 9.4% (557) 12.2% (2888)
  High (> 2) 0.6% (4) 1.0% (140) 1.0% (56) 1.0% (249)
Outcomes   
  EQ-5D 0.85 (± 0.19) 0.81 (± 0.19) - -
  EQ-5D VAS 81.6 (± 19.5) 75.5 (± 20.4) - -
  1. Data are presented as percentages (number of patients) for proportional variables, while continuous variables are mean ±SD.