Associations Between Family Member Involvement and Outcomes of Patients Admitted to the Intensive Care Unit: Retrospective Cohort Study

Tamryn F Gray   ^{1, 2, 3 *} , RN, MPH, PhD ;   Anne Kwok   ^{3 *} , BS ;   Khuyen M Do   ^{3 *} , BS, MPH ;   Sandra Zeng   ^{3 *} , BA ;   Edward T Moseley   ^{3 *} , BS ;   Yasser M Dbeis   ^{4 *} ;   Renato Umeton   ^{4, 5, 6, 7 *} , PhD ;   James A Tulsky   ^{1, 2, 3 *} , MD ;   Areej El-Jawahri   ^{1, 8 *} , MD ;   Charlotta Lindvall   ^{1, 2, 3 *} , MD, PhD

¹ Department of Medicine, Harvard Medical School, Boston, MA, United States

² Division of Palliative Medicine, Brigham and Women's Hospital, Boston, MA, United States

³ Department of Psychosocial Oncology and Palliative Care, Dana-Farber Cancer Institute, Boston, MA, United States

⁴ Department of Informatics & Analytics, Dana-Farber Cancer Institute, Boston, MA, United States

⁵ Department of Biological Engineering and Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA, United States

⁶ Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, United States

⁷ Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY, United States

⁸ Department of Medicine, Massachusetts General Hospital Cancer Center, Boston, MA, United States

*all authors contributed equally