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2.
J Am Med Inform Assoc ; 28(6): 1188-1196, 2021 06 12.
Article in English | MEDLINE | ID: mdl-33479727

ABSTRACT

OBJECTIVE: The spread of coronavirus disease 2019 (COVID-19) has led to severe strain on hospital capacity in many countries. We aim to develop a model helping planners assess expected COVID-19 hospital resource utilization based on individual patient characteristics. MATERIALS AND METHODS: We develop a model of patient clinical course based on an advanced multistate survival model. The model predicts the patient's disease course in terms of clinical states-critical, severe, or moderate. The model also predicts hospital utilization on the level of entire hospitals or healthcare systems. We cross-validated the model using a nationwide registry following the day-by-day clinical status of all hospitalized COVID-19 patients in Israel from March 1 to May 2, 2020 (n = 2703). RESULTS: Per-day mean absolute errors for predicted total and critical care hospital bed utilization were 4.72 ± 1.07 and 1.68 ± 0.40, respectively, over cohorts of 330 hospitalized patients; areas under the curve for prediction of critical illness and in-hospital mortality were 0.88 ± 0.04 and 0.96 ± 0.04, respectively. We further present the impact of patient influx scenarios on day-by-day healthcare system utilization. We provide an accompanying R software package. DISCUSSION: The proposed model accurately predicts total and critical care hospital utilization. The model enables evaluating impacts of patient influx scenarios on utilization, accounting for the state of currently hospitalized patients and characteristics of incoming patients. We show that accurate hospital load predictions were possible using only a patient's age, sex, and day-by-day clinical state (critical, severe, or moderate). CONCLUSIONS: The multistate model we develop is a powerful tool for predicting individual-level patient outcomes and hospital-level utilization.


Subject(s)
COVID-19 , Hospitalization/statistics & numerical data , Machine Learning , Models, Statistical , Adult , Aged , Aged, 80 and over , Female , Hospitals/statistics & numerical data , Humans , Israel , Length of Stay/statistics & numerical data , Male , Middle Aged , Prognosis , Proportional Hazards Models , Registries
3.
JAAPA ; 31(7): 46-48, 2018 Jul.
Article in English | MEDLINE | ID: mdl-29957607

ABSTRACT

Israel launched its new physician assistant profession with its first class of students, who were graduated in October 2017. The program is run by the Ministry of Health's Training and Development Department. This first course was focused on emergency medicine and the plan is to expand to anesthesiology and pathology in the near future.


Subject(s)
Health Workforce/trends , Physician Assistants/education , Physician Assistants/trends , Anesthesiology/education , Female , Humans , Israel , Male , Pathology/education , Physician Assistants/standards , Schools, Medical/trends
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