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. 2020 Aug 6;11:7. doi: 10.1186/s13326-020-00225-x

Table 3.

Statistics on the CAS corpus: current size and annotations (average number by sentence)

type nb.
clinical cases 4,268
word occurrences 1.5M
discussions 2,626
word occurrences 1.8M
CUI 2.34 / sent.
uncertainty 0.23 / sent.
negation 0.22 /sent.