• Shauna Harris, William Leech, Daniel Matienzo, Sonia Berrios Villanueva, Joshua Fogel, Maggie Tetrokalashvili, and John Riggs.
• From the Departments of Obstetrics and Gynecology and Administration, Nassau University Medical Center, East Meadow, New York and the American University of the Caribbean School of Medicine, Pembroke Pines, Florida.
• South. Med. J. 2020 Mar 1; 113 (3): 130-133.

ObjectivesThe aim of the study was to determine whether a system process change improved successful read-back of critical values by the appropriate provider.MethodsThe study implemented a system process change of switching the "first call" physician from the admitting physician to the most recent document writer. Data were compared before (N = 301) and after the intervention (N = 201). Predictor variables included patient factors, physician factors, and environmental factors. The outcome variables measured were successful read-back within 5 and 30 minutes.ResultsRead-back failure within 5 minutes was significantly reduced (P < 0.001) from preintervention (49.5%) to postintervention (31.3%). Multivariate logistic regression showed reduced odds for read-back failure postintervention (odds ratio [OR] 0.46, 95% confidence interval [CI] 0.31-0.67, P < 0.001) and increased odds for read-back failure for patients of Hispanic race/ethnicity (OR 1.77, 95% CI 1.09-2.89, P < 0.05). Read-back failure within 30 minutes did not significantly change. Multivariate logistic regression showed that an increased number of telephone calls were associated with an increased odds for read-back failure (OR 3.12, 95% CI 2.13-4.57, P < 0.001).ConclusionsWe recommend the use of the physician who has most recently engaged with the patient as documented in the medical record for the daily note as the primary source of contact for reporting critical values.

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