Abstract：
BACKGROUND:To assess the feasibility of using automated capture of Electronic Medical Record (EMR) data to build predictive models for amyotrophic lateral sclerosis (ALS) outcomes. METHODS:We used an Informatics for Integrating Biology and the Bedside search discovery tool to identify and extract data from 354 ALS patients from the University of Kansas Medical Center EMR. The completeness and integrity of the data extraction were verified by manual chart review. A linear mixed model was used to model disease progression. Cox proportional hazards models were used to investigate the effects of BMI, gender, and age on survival. RESULTS:Data extracted from the EMR was sufficient to create simple models of disease progression and survival. Several key variables of interest were unavailable without including a manual chart review. The average ALS Functional Rating Scale - Revised (ALSFRS-R) baseline score at first clinical visit was 34.08, and average decline was - 0.64 per month. Median survival was 27 months after first visit. Higher baseline ALSFRS-R score and BMI were associated with improved survival, higher baseline age was associated with decreased survival. CONCLUSIONS:This study serves to show that EMR-captured data can be extracted and used to track outcomes in an ALS clinic setting, potentially important for post-marketing research of new drugs, or as historical controls for future studies. However, as automated EMR-based data extraction becomes more widely used there will be a need to standardize ALS data elements and clinical forms for data capture so data can be pooled across academic centers.
journal_name
BMC Neuroljournal_title
BMC neurologyauthors
Karanevich AG,Weisbrod LJ,Jawdat O,Barohn RJ,Gajewski BJ,He J,Statland JMdoi
10.1186/s12883-018-1208-zsubject
Has Abstractpub_date
2018-12-14 00:00:00pages
205issue
1issn
1471-2377pii
10.1186/s12883-018-1208-zjournal_volume
18pub_type
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