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. |