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Table 2 Prevalence of Osteoarthritis, discharge destinations and Charlson comorbidity index of the THA patients in Spain from 2001 to 2008

From: Trends in primary total hip arthroplasty in Spain from 2001 to 2008: Evaluating changes in demographics, comorbidity, incidence rates, length of stay, costs and mortality

   2001 2002 2003 2004 2005 2006 2007 2008 P*
Reason for surgery Osteoarthritis (%) 74.8 75.8 75.9 76.1 76.3 76.3 75.4 77.0 <0.001
  Other (5) 25,2 24,2 24,1 23,9 23,7 23,7 24,6 23  
Discharge destinations Home (%) 96.8 97.0 96.4 96.4 96.1 95.7 95.9 95.3 <0.001
  Health/social institution (%) 3.2 3.0 3.6 3.6 3.9 4.3 4.1 4.7  
Charlson comorbidity index 0 (%) 81.0 81.2 79.9 79.4 79.2 78.7 77.9 78.5 <0.001
  1-2 (%) 18.4 18.1 19.3 19.9 19.9 20.4 21.3 20.4  
  >2(%) 0.6 0.7 0.8 0.7 0.9 0.9 0.8 1.1  
  1. *P value for time trend estimated using logistic regression adjusted by age and sex.