Table 1 Statistics of 400 annotated PICO dataset
From: PICO entity extraction for preclinical animal literature
Average number in each abstract | |
 PICO sentences | 5 |
 Sentences | 11 |
 Entities | 17.5 |
Distribution of PICO entity | |
 Intervention | 24.1% |
 Comparator | 1.8% |
 Outcome | 40.6% |
 Induction | 10.6% |
 Species | 19.6% |
 Strain | 3.3% |
 Total | 100% |