Table 2 Complete list of all 28 features annotated by the NLP pipeline

Part of Speech

Term Frequency (Token)

# matches HL7 2.5

# matches US Census Names

Part of Speech (Binned)

Term Frequency (Token, Part of Speech)

# matches HL7 3.0

Capitalization

# matches ICD9 CM

# matches for pattern HOSPITAL

Word or Number

# matches ICD10 CM

# matches for pattern AGE

Length

# matches ICD10 PCS

# matches for pattern DATE

# matches LOINC

# matches for pattern DOCTOR

# matches MESH

# matches for pattern LOCATION

# matches RXNORM

# matches for pattern PATIENT

# matches SNOMED

# matches for pattern ID

# matches COSTAR

# matches for pattern PHONE

# consectutive tokens any dictionary

# consecutive tokens any pattern