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Table 3 Risk factors with a significant HR for mortality and a significant OR for the other outcome parameters

From: Outcome in hip fracture patients related to anemia at admission and allogeneic blood transfusion: an analysis of 1262 surgically treated patients

Outcome variable Risk factor HR/OR 95% CI P-value
Mortality*     
in-hospital Age in years 1.07 1.02 to 1.11 0.002
  ASA 2.76 1.66 to 4.59 < 0.001
  ABT 1.88 1.12 to 3.14 0.017
3-month Age in years 1.06 1.04 to 1.09 < 0.001
  ASA 1.94 1.47 to 2.57 < 0.001
  ABT 1.48 1.10 to 2.01 0.011
  Anemia 1.30 0.96 to 1.76 0.088
3-12 month Age in years 1.05 1.02 to 1.08 < 0.001
  ASA 1.78 1.26 to 2.52 0.001
12-month Age in years 1.06 1.04 to 1.08 < 0.001
  ASA 1.89 1.52 to 2.34 < 0.001
  ABT 1.42 1.13 to 1.77 0.002
Delirium Age in years 1.06 1.04 to 1.08 < 0.001
  ASA 1.47 1.11 to 1.93 0.006
  ABT 1.67 1.28 to 2.20 < 0.001
  Male gender 1.99 1.49 to 2.66 < 0.001
LOS > 11 days Anemia 0.63 0.48 to 0.81 < 0.001
  Age in years 1.07 1.05 to 1.08 < 0.001
  ABT 2.26 1.73 to 2.94 < 0.001
  ASA 1.24 0.97 to 1.59 0.089
Discharge to a NH Anemia 1.41 1.10 to 1.81 0.007
  Age in years 1.05 1.04 to 1.07 < 0.001
  General anesthesia 1.67 1.05 to 2.64 0.029
  Male gender 0.75 0.58 to 0.99 0.038
  ABT 1.24 0.96 to 1.61 0.097
90-day readmission rate Anemia 1.61 1.11 to 2.33 0.011
  Age in years 0.97 0.94 to 0.99 0.006
  ASA 1.43 0.99 to 2.09 0.060
  General anesthesia 0.35 0.13 to 0.99 0.047
  1. Female gender, ASA classification I-II, having no anemia, receiving no allogeneic blood transfusion and spinal anesthesia are reference categories.
  2. * Expressed in HR (Hazard Ratio), all other risk factors in OR (Odds Ratio)
  3. CI = confidence interval, LOS = length of stay, NH = nursing home, ASA = American Society of Anesthesiologists Physical Status classification, ABT = allogeneic blood transfusion.