Table 1.

Specific data automatically extracted from KUMC EMR by HERON, and data that required a manual chart review

	Information automatically extracted from the EMR using HERON	Information requiring manual chart review
Demographic data	Subject age, race, gender, ethnicity	Date of disease onset, date of diagnosis, site of disease onset
Longitudinal data	ALSFRS-R and its sub scores, BMI, FVC (raw and percent-predicted)
Medication history		Riluzole use
Survival data	Death status, date of death