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Roach MJ, Connors AF, Dawson NV, et al. Depressed Mood and Survival in Seriously Ill Hospitalized Adults. Arch Intern Med. 1998;158(4):397–404. doi:https://doi.org/10.1001/archinte.158.4.397
To assess the relationship among depressed mood, physical functioning, and severity of illness and to determine the relationship between depressed mood and survival time, controlling for severity of illness, baseline functioning, and characteristics of patients.
Prospective cohort study of data for 3529 seriously ill hospitalized adults who received care at 5 tertiary care teaching hospitals and who completed a depressed mood assessment 7 to 11 days after admission to the study. The Profile of Mood States depression subscale was used to assess depressed mood. A stratified Cox proportional hazards model was used to assess the independent effect of depressed mood on survival time, adjusting for demographic characteristics of patients and health status.
Greater magnitudes of depressed mood were associated with worse levels of physical functioning (r=0.151; P<.001) and more severity of illness. Depressed mood was associated with reduced survival time after adjusting for patient demographics and health status (hazards ratio, 1.134; 95% confidence interval, 1.071-1.200; P≤.001).
Seriously ill patients should be assessed for the presence of depressed mood even if they have not been given a diagnosis of depression. Further study is needed to determine whether interventions aimed at relieving depressed mood may improve prognosis.
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