1. The impact of frailty on postoperative delirium in cardiac surgery patients 
Patrick Jung, BSc, Michael Ashley Pereira, BSc, Brett Hiebert, MSc, Xiaiwei Song, PhD, Kenneth Rockwood, MD, Navdeep Tangri, MD, PhD, Rakesh C. Arora, MD, PhD 
The Journal of Thoracic and Cardiovascular Surgery 
Volume 149, Issue 3, Pages e2 (March 2015)
DOI: /j.jtcvs
Copyright © 2015 The American Association for Thoracic Surgery Terms and Conditions

2. Figure 1 Flowchart of study cohort recruitment.
The Journal of Thoracic and Cardiovascular Surgery  , e2DOI: ( /j.jtcvs )
Copyright © 2015 The American Association for Thoracic Surgery Terms and Conditions

3. Frail individuals are at increased risk of postoperative delirium after cardiac surgery.
The Journal of Thoracic and Cardiovascular Surgery  , e2DOI: ( /j.jtcvs )
Copyright © 2015 The American Association for Thoracic Surgery Terms and Conditions