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Table 2 Percentages of discharge destinations and Charlson comorbidity index of RTHA and primary THA patients hospitalized in Spain (2001-2008)

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 P*
RTHA Discharge destinations* Home 96.0 95.2 95.5 94.5 94.4 94.3 94.8 93.6 < 0.001
   Health/social institution) 4.0 4.8 4.5 5.5 5.6 5.7 5.2 6.4  
  Charlson comorbidity index Low 81.0 79.7 78.1 77.5 75.7 76.9 75.9 75.4 < 0.001
   Medium 17.8 19.2 20.5 21.3 22.8 21.5 22.5 22.1  
   High 1.2 1.1 1.4 1.2 1.5 1.6 1.6 2.5  
Primary THA 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 Low 81.0 81.2 79.9 79.4 79.2 78.7 77.9 78.5 < 0.001
   Medium 18.4 18.1 19.3 19.9 19.9 20.4 21.3 20.4  
   High 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.