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Table 1 Age and sex-specific incidence rates for RTHA and total number of RTHA and primary THA in Spain (2001-8)

From: Trends in incidence and outcomes of revision total hip arthroplasty in Spain: A population based study

   2001 2002 2003 2004 2005 2006 2007 2008  
Age   Rate/100, 000 Rate/100, 000 Rate/100, 000 Rate/100, 000 Rate/100, 000 Rate/100, 000 Rate/100, 000 Rate/100, 000 P*
40-54 Men 4.6 5.1 4.3 4.3 4.5 5.2 5.3 5.7 0.007
  Women 3.1 3.3 2.9 2.8 2.9 3.1 3.3 3.2 0.540
50-64 Men 14.3 12.4 14.9 14.9 13.5 14.5 15.2 15.2 0.100
  Women 14.9 13.5 13.4 11.2 11.9 12.7 12.2 13.1 0.054
65-74 Men 36.9 33.4 36.5 34.4 34.1 35.6 34.3 36.3 0.862
  Women 43.8 42.7 44.3 44.3 38.9 42.4 38.4 37.5 < 0.001
75-84 Men 40.6 44.6 44.2 48.6 54.0 51.9 52.3 55.2 < 0.001
  Women 53.8 57.3 61.8 61.7 61.7 66.8 64.7 65.6 < 0.001
≥ 85 Men 19.3 22.3 21.8 22.0 25.2 26.1 22.9 30.0 < 0.001
  Women 27.7 26.9 27.0 31.2 34.4 33.6 32.9 37.2 < 0.001
Total Men 17.8 17.3 18.0 18.0 18.3 18.9 18.8 19.8 0.107
  Women 22.3 22.1 22.8 22.4 21.6 23.1 21.9 22.2 < 0.001
  Both 20.2 19.9 20.6 20.4 20.1 21.1 20.4 21.1 0.016
Number of RTHA 3, 713 3, 699 3, 912 3, 964 3, 992 4, 294 4, 242 4, 464  
Number of primary THA 18, 185 19, 029 19, 545 19, 733 20, 461 21, 176 21, 354 22, 308  
Ratio RTHA/THA % 20.42 19.44 20.02 20.09 19.51 20.28 19.87 20.01 0.077
  1. Incidence rates (number of cases per year sex and age group/corresponding number of person in that population group that year)
  2. *P value for time trend estimated using Poisson regression models