The data were retrospectively collected from the electronic health records (EHRs) system (Epic Systems, Verona, WI, USA) of the University of California San Diego (UCSD) health system and all its affiliated clinical sites in San Diego County. The study period was from January 1, 2005, to March 1, 2022, and the data collection was conducted between March 3, 2022, and March 1, 2023.
Ehrs system
Manufactured by Epic Systems
Sourced in United States
EHRs (Electronic Health Records) is a comprehensive software system developed by Epic Systems that provides a centralized platform for managing patient health information. It offers features for recording and organizing patient data, including medical history, medications, test results, and clinical notes. The core function of EHRs is to facilitate the efficient storage, retrieval, and sharing of patient data among healthcare providers, enabling improved patient care coordination and decision-making.
Automatically generated - may contain errors
Lab products found in correlation
2 protocols using ehrs system
1
UCSD Health System EHR Data Analysis
2
Geocoding Residential Addresses from EHRs
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Geocoding was done by extracting the addresses from CHOP's EHRs system (Epic Systems) and then using ArcGIS to obtain precise latitude and longitude points for a patient: 92.5% of the geocoded locations were linked to census tract boundaries and the remaining addresses were geocoded to zip code. Children geocoded to zip code were then linked to census tract using the zip codes centroid (n = 790). In some cases, children appeared to have more than one residential address as indicated by a record of at least 2 addresses recorded for at least 2 visits each during a 24-month period (eg, visit 1: address A, visit 2: address B, visit 3: address A, visit 4: address B; n = 860). We created a flag to identify possible geographic misclassification for sensitivity analyses (see below) for children geocoded to the zip code level and children with potentially more than one official primary residence (n = 1590).
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