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עמוד בית
Thu, 25.07.24

Original Articles

IMAJ | volume 15

Journal 8, August 2013
pages: 482-486

“General Deterioration”: A Diagnosis that is a Marker for Risk of Mortality upon Re-Admission

    Summary

     Background: Predicting mortality is important in treatment planning and professional duty towards patients and their families.

    Objectives: To evaluate the predictive value regarding patients' survival once the diagnosis of “general deterioration” replaces an ICD-9 diagnosis upon re-admission.

    Methods: In a retrospective cohort case-control study, we screened the records of patients re-admitted at least three times during the past 2 years. For each patient's death during the third hospitalization, we matched (for age and gender) a patient who survived the third hospitalization. We evaluated 14 parameters potentially accountable for increased risk of mortality, e.g., length of stay at each admission, interval to re-admission, etc. We applied a multifactorial analysis using logistic regression to predict the risk of mortality during the third hospitalization as potentially affected by the aforementioned parameters.

    Results: The study included 81 study patients and 81 controls. Of the 14 parameters potentially explaining an increased risk of mortality during the third hospitalization, several were found to be statistically significant. The most significant was the diagnostic switch from a specific ICD-9 diagnosis on first admission to the non-specific diagnosis of “general deterioration” at the second hospitalization. In such cases, the risk of death during the third hospitalization was increased by 5300% (odds ratio = 54, P = 0.008). The increased risk of mortality was not restricted to patients with malignancy as their background diagnosis.

    Conclusions: At re-admission, a switch from disease-specific diagnosis to the obscure diagnosis “general deterioration” increases the subsequent risk of mortality.

     

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