Table 4

Comparison of rates of delirium between the current study and that by Inouye et al *

Current studyInouye et alp Value
Usual careUsual care0.02
Delirium rate18/235Delirium rate62/426
% (95% CI)7.7 (4.3 to 11.1)% (95% CI)15.0 (11.6 to 18.4)
Usual careIntervention0.5
Delirium rate18/235Delirium rate42/426
% (95% CI)7.7 (4.3 to 11.1)% (95% CI)9.9 (7.0 to 12.7)
InterventionIntervention0.09
Delirium rate12/226Delirium rate42/426
% (95% CI)5.3 (2.4 to 8.2)% (95% CI)9.9 (7.0 to 12.7)
  • *Participants in the current study who were at intermediate to high risk for delirium and aged 70 years and over, n=461.