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Editor's Correspondence |

Clinical and Ethical Questions Concerning Delirium Study on Patients With Advanced Cancer

Mellar P. Davis, MD; Declan Walsh, MSc
Arch Intern Med. 2001;161(2):296-297. doi:.
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We read with interest the article titled "Occurrence, Causes, and Outcome of Delirium in Patients With Advanced Cancer"1 in the March issue of the ARCHIVES. The statistical methodology is unclear to us, and we have noted some apparent errors. We are also concerned about the clinical research and ethical implications of the study as we understand it.

Lawlor  PGGagnon  BMancini  IL  et al.  Occurrence, cause, and outcome of delirium in patients with advanced cancer: a prospective study. Arch Intern Med. 2000;160786- 794
Levkoff  SEEvans  DALiptzin  B  et al.  Delirium: the occurrence and persistence of symptoms among elderly hospitalized patients. Arch Intern Med. 1992;152334- 340

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Correspondence

January 22, 2001
Peter G. Lawlor, MB; Bruno Gagnon, MD; Isabelle L. Mancini, MD; Jose L. Pereira, MB; John Hanson, MSc; Maria E. Suarez-Almazor, PhD, MD; Eduardo D. Bruera, MD
Arch Intern Med. 2001;161(2):297-299. doi:.
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