Skip to main content
. 2020 Dec 15;8(12):e22982. doi: 10.2196/22982

Table 1.

Descriptive statistics of the challenge data set.

Corpus information, annotation type, and annotation category 2019 n2c2 family history challenge corpus
Training set Test set
Number of notes 99 117
Entity-level annotation


Concept



Family members 803 N/A
Observations 978 N/A
Living status 415 N/A
Document-level annotation


Concept



Family members 667 638
Observations 930 983
Relation


Family members—observations 740 755
Family members—living status 376 349