Real-time automated clinical deterioration alerts predict thirty-day hospital readmission

Scott T. Micek, Maanasi Samant, Thomas Bailey, Yixin Chen, Chenyang Lu, Kevin Heard, Marin H. Kollef

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


INTRODUCTION: Clinical deterioration alerts (CDAs) are increasingly employed to identify deteriorating patients. METHODS: We performed a retrospective study to determine whether CDAs predict 30-day readmission. Patients admitted to 8 general medicine units were assessed for all-cause 30-day readmission. RESULTS: Among 3015 patients, 567 (18.8%) were readmitted within 30 days. Patients triggering a CDA (n = 1141; 34.4%) were more likely to have a 30-day readmission (23.6% vs 15.9%; P < 0.001). Logistic regression identified triggering of a CDA to be independently associated with 30-day readmission (odds ratio [OR]: 1.40; 95% confidence interval [CI]: 1.26-1.55; P = 0.001). Other predictors were: an emergency department visit in the previous 6 months (OR: 1.23; 95% CI:, 1.20-1.26; P < 0.001), increasing age (OR: 1.01; 95% CI: 1.01-1.02; P = 0.003), presence of connective tissue disease (OR: 1.63; 95% CI: 1.34-1.98; P = 0.012), diabetes mellitus with end-organ complications (OR: 1.23; 95% CI: 1.13-1.33; P = 0.010), chronic renal disease (OR: 1.16; 95% CI: 1.08-1.24; P = 0.034), cirrhosis (OR: 1.25; 95% CI: 1.17-1.33; P < 0.001), and metastatic cancer (OR: 1.12; 95% CI: 1.08-1.17; P = 0.002). Addition of the CDA to the other predictors added only modest incremental value for the prediction of hospital readmission. CONCLUSIONS: Readily identifiable clinical variables can be identified that predict 30-day readmission. It may be important to include these variables in existing prediction tools if pay for performance and across-institution comparisons are to be “fair” to institutions that care for more seriously ill patients. Journal of Hospital Medicine 2016;11:768–772.

Original languageEnglish
Pages (from-to)768-772
Number of pages5
JournalJournal of hospital medicine
Issue number11
StatePublished - Nov 1 2016


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