Am. J. Respir. Crit. Care Med., Vol 153, No. 1, Jan 1996, 185-190.
Resource use implications of do not resuscitate orders for intensive care unit patients
J Rapoport, D Teres and S Lemeshow
Department of Economics, Mount Holyoke College, South Hadley, Baystate Medical Center, Springfield, Massachusetts 01075, USA.
This study describes the use of do not resuscitate (DNR) orders for ICU
patients in four northeastern U.S. teaching hospitals and investigates the
relationship between DNR orders and length of stay. The use of detailed
data from the mortality probability model (MPM II) study on 6,290
consecutive ICU admissions to general adult medical and surgical ICUs
during 1989 through 1991 allows us to control for severity of illness and
the time during the ICU stay at which the DNR order was entered. About
12.8% of patients were DNR during their ICU stay, including more than half
of nonsurvivors. The percentage of patients with DNR was higher for older
and more severely ill patients. Most DNR orders were issued after 72 h in
the ICU, but many were issued during the first ICU day. Nonsurvivors with
early (first 24 h) DNR had shorter mean and median ICU and hospital stays
than the comparison group of non- DNR patients. The percentage of patients
with very long ICU (> 30 d) and hospital (> 60 d) stays was smaller
among DNR patients. The use of DNR orders, particularly early in the ICU
stay, may be associated with significant resource use reduction for an
identifiable group of patients.