Randomized Controlled Trial

Reducing delirium after hip fracture: a randomized trial.

J Am Geriatr Soc. 2001 May 1;49(5):516-22.
Observational Study

Does Apolipoprotein E Genotype Increase Risk of Postoperative Delirium?

Am J Geriatr Psychiatry. 2015 Oct 1; 23 (10): 1029-1037.
Article

Delirium severity and psychomotor types: their relationship with outcomes after hip fracture repair.

J Am Geriatr Soc. 2002 May 1;50(5):850-7.