Syndromic Surveillance of Acute Gastroenteritis Using the French Health Insurance Database: Discriminatory Algorithm and Drug Prescription Practices Evaluations

The French national public health agency (Santé publique France) has used data from the national health insurance reimbursement system (SNDS) to identify medicalised acute gastroenteritis (mAGE) for more than 10 years. This paper presents the method developed to evaluate this system: performance and...

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Bibliographic Details
Published in:International journal of environmental research and public health 2020-06, Vol.17 (12), p.4301
Main Authors: Bounoure, Frederic, Mouly, Damien, Beaudeau, Pascal, Bentayeb, Malek, Chesneau, Julie, Jones, Gabrielle, Skiba, Mohamed, Lahiani-Skiba, Malika, Galey, Catherine
Format: Article
Language:English
Subjects:
Age
Algorithms
Automation
Departments
Drinking water
Drug stores
Durability
Epidemics
Epidemiology
Gastroenteritis
Health risks
Health surveillance
Infectious diseases
Insurance
Medical diagnosis
Nonresidents
Patients
Performance evaluation
Pharmacy
Polls & surveys
Prescription drugs
Public health
Sensitivity
Waterborne diseases
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Summary:The French national public health agency (Santé publique France) has used data from the national health insurance reimbursement system (SNDS) to identify medicalised acute gastroenteritis (mAGE) for more than 10 years. This paper presents the method developed to evaluate this system: performance and characteristics of the discriminatory algorithm, portability in mainland and overseas French departments, and verification of the mAGE database updating process. Pharmacy surveys with certified mAGE from 2012 to 2015 were used to characterise mAGE and to estimate the sensitivity and predictive positive value (PPV) of the algorithm. Prescription characteristics from these pharmacy surveys and from 2014 SNDS prescriptions in six mainland and overseas departments were compared. The sensitivity (0.90) and PPV (0.82) did not vary according to the age of the population or year. Prescription characteristics were similar within all studied departments. This confirms that the algorithm can be used in all French departments, for both paediatric and adult populations, with stability and durability over time. The algorithm can identify mAGE cases at a municipal level. The validated system has been implemented in a national waterborne disease outbreaks surveillance system since 2019 with the aim of improving the prevention of infectious disease risk attributable to localised tap water systems.
ISSN:1660-4601
1661-7827
1660-4601
DOI:10.3390/ijerph17124301