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Table 4 Prediction of delirium and falls during hospitalization and 6-month mortality according to the CHS and the SOF frailty index

From: Prevalence of frailty and its ability to predict in hospital delirium, falls, and 6-month mortality in hospitalized older patients

  CHS index SOF index
  OR (95% CI) OR (95% CI)
Delirium   
Unadjusted   
  Nonfrail/prefrail 1 1
  Frail 1.08 (0.45-2.5) 0.88 (0.32-2.4)
Adjusteda   
  Nonfrail/prefrail 1 1
  Frail 0.64 (0.25-2.08) 0.81 (0.21-3.2)
Falls in hospital   
Unadjusted   
  Nonfrail/prefrail 1 1
  Frail 1.22 (0.46-3.22) 1.16 (0.39-3.45)
Adjusteda   
  Nonfrail/prefrail 1 1
  Frail 0.94 (0.31-2.91) 0.71 (0.21-2.4)
6-month mortality   
Unadjusted   
  Nonfrail/prefrail 1 1
  Frail 7.32 (2.95-18) 2.75 (1.17-6.5)
Adjusteda   
  Nonfrail/prefrail 1 1
  Frail 4.68 (1.7-12.8) 1.97 (0.75-5.2)
  1. Abbreviations: CI confidence interval, OR odds ratio, CHS Cardiovascular Health Study, SOF Study of Osteoporotic Fracture.
  2. aAdjusted for age, sex, education, number of comorbidities, activities of daily living, cognitive impairment, main diagnosis at admission, hemoglobin, depression, and estimated glomerular filtration rate.