• Karishma Patel, Liron Sinvani, Vidhi Patel, Andrzej Kozikowski, Christopher Smilios, Meredith Akerman, Kinga Kiszko, Sutapa Maiti, Negin Hajizadeh, Gisele Wolf-Klein, and Renee Pekmezaris.
• Division of Hospital Medicine, Department of Medicine, Northwell Health, Manhasset, New York.
• J Am Geriatr Soc. 2018 May 1; 66 (5): 924-929.

ObjectivesTo explore the effect of the presence and timing of a do-not-resuscitate (DNR) order on short-term clinical outcomes, including mortality.DesignRetrospective cohort study with propensity score matching to enable direct comparison of DNR and no-DNR groups.SettingLarge, academic tertiary-care center.ParticipantsHospitalized medical patients aged 65 and older.MeasurementsPrimary outcome was in-hospital mortality. Secondary outcomes included discharge disposition, length of stay, 30-day readmission, restraints, bladder catheters, and bedrest order.ResultsBefore propensity score matching, the DNR group (n=1,347) was significantly older (85.8 vs 79.6, p<.001) and had more comorbidities (3.0 vs 2.5, p<.001) than the no-DNR group (n=9,182). After propensity score matching, the DNR group had significantly longer stays (9.7 vs 6.0 days, p<.001), were more likely to be discharged to hospice (6.5% vs 0.7%, p<.001), and to die (12.2% vs 0.8%, p<.001). There was a significant difference in length of stay between those who had a DNR order written within 24 hours of admission (early DNR) and those who had a DNR order written more than 24 hours after admission (late DNR) (median 6 vs 10 days, p<.001). Individuals with early DNR were less likely to spend time in intensive care (10.6% vs 17.3%, p=.004), receive a palliative care consultation (8.2% vs 12.0%, p=.02), be restrained (5.8% vs 11.6%, p<.001), have an order for nothing by mouth (50.1% vs 56.0%, p=.03), have a bladder catheter (31.7% vs 40.9%, p<.001), or die in the hospital (10.2% vs 15.47%, p=.004) and more likely to be discharged home (65.5% vs 58.2%, p=.01).ConclusionOur study underscores the strong association between presence of a DNR order and mortality. Further studies are necessary to better understand the presence and timing of DNR orders in hospitalized older adults.© 2018, Copyright the Authors Journal compilation © 2018, The American Geriatrics Society.

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