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Table 5 Multivariate analysis of trends and factors associated with incidence and in-hospital deaths after RTHA

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

   INCIDENCE OF HOSPITALIZATIONS FOR RTHA IN-HOSPITAL DEATHS AFTER HOSPITALIZATIONS FOR RTHA
   Risk Rate Ratios (95% Confidence Intervals)* Odds Ratios (95% Confidence Intervals)
   Men Women Both Men Women Both
Age 40-54 - - - - - -
  55-64 2.92 (2.75-3.11) 4.07 (3.79-4.38) 3.36 (3.21-3.52) 6.35 (0.81-49.61) 0.59 (0.18-1.95) 1.54 (0.60-3.95)
  65-74 7.14 (6.75-7.55) 13.20 (12.37-14.09) 9.52 (9.13-9.92) 11.00 (1.51-80.22) 1.24 (0.48-3.18) 2.88 (1.25-6.65)
  75-84 10.02 (9.46-10.61) 19.61 (18.38-20.91) 13.89 (13.32-14.48) 24.89 (3.46-179.24) 3.47 (1.40-8.56) 7.54 (3.32-17.08)
  ≥ 85 3.58 (3.23-3.97) 11.95 (11.03-12.95) 7.18 (6.76-7.61) 85.48 (11.69-625.13) 13.52 (5.41-33.76) 29.90 (13.03-68.60)
Sex Men NA NA - NA NA -
  Women NA NA 1.13 (1.10-1.15) NA NA 0.95 (0.77-1.17)
Charlson comorbidity index 0 - - - - - -
  1-2 0.32 (0.30-0.33) 0.24 (0.23-0.25) 0.27 (0.26-0.28) 3.24 (2.28-4.59) 3.87 (2.94-5.10) 3.69 (2.96-4.58)
  > 2 0.028 (0.02-0.03) 0.015 (0.01-0.02) 0.021 (0.01-0.02) 13.98 (9.00-21.73) 15.66 (9.53-25.75) 17.81 (12.69-24.99)
YEAR 2001 - - - - - -
  2002 0.98 (0.91-1.05) 1.00 (0.94-1.06) 0.99 (0.95-1.04) 1.26 (0.59-2.70) 0.71 (0.41-1.23) 0.85 (0.54-1.34)
  2003 1.02 (0.95-1.09) 1.04 (0.98-1.10) 1.03 (0.98-1.08) 1.15 (0.55-2.40) 0.69 (0.40-1.20) 0.83 (0.53-1.28)
  2004 1.02 (0.95-1.10) 1.02 (0.96-1.08) 1.02 (0.98-1.07) 1.16 (0.56-2.40) 0.91 (0.55-1.51) 0.97 (0.64-1.48)
  2005 1.06 (0.99-1.13) 0.99 (0.93-1.04) 1.01 (0.97-1.06) 1.55 (0.78-3.07) 0.50 (0.28-0.88) 0.81 (0.53-1.25)
  2006 1.08 (1.01-1.16) 1.06 (1.00-1.12) 1.07 (1.02-1.12) 1.02 (0.49-2.15) 0.56 (0.32-0.95) 0.68 (0.44-1.06)
  2007 1.04 (0.97-1.12) 1.07 (1.00-1.13) 1.04 (1.00-1.09) 1.46 (0.73-2.91) 0.60 (0.35-1.03) 0.85 (0.56-1.28)
  2008 1.10 (1.03-1.18) 1.08(1.02-1.14) 1.08 (1.03-1.12) 1.29 (0.65-2.55) 1.06 (0.67-1.69) 1.12 (0.76-1.66)
  1. Calculated using multivariate Poisson regression Dependent variable: "Incidence of hospitalizations for RTHA".
  2. † Calculated using logistic regression. Dependent variable: "In hospital death after hospitalizations for RTHA"
  3. The independent variables included in the models are those shown in the table.