Table 4 Performance of the entire IE system
From: ExaCT: automatic extraction of clinical trial characteristics from journal publications
Information element | fully correct solution | partially correct solution | incorrect solution | |||
|---|---|---|---|---|---|---|
| Â | Â | total | sentence selection only | change in highlighting | sentence adding | Â |
Eligibility criteria | 0.08 | 0.90 | 0.50 | 0.00 | 0.40 | 0.02 |
Sample size | 0.56 | 0.28 | 0.04 | 0.24 | 0.02 | 0.16 |
Start date of enrolment | 0.88 | 0.02 | 0.02 | 0.00 | 0.00 | 0.10 |
End date of enrolment | 0.82 | 0.10 | 0.06 | 0.04 | 0.00 | 0.08 |
Name of experimental treatment | 0.38 | 0.60 | 0.04 | 0.56 | 0.02 | 0.02 |
Name of control treatment | 0.62 | 0.38 | 0.08 | 0.30 | 0.02 | 0.00 |
Dose | 0.50 | 0.48 | 0.10 | 0.32 | 0.10 | 0.02 |
Frequency of treatment | 0.60 | 0.40 | 0.02 | 0.34 | 0.06 | 0.00 |
Route of treatment | 0.74 | 0.22 | 0.04 | 0.18 | 0.00 | 0.04 |
Duration of treatment | 0.58 | 0.36 | 0.10 | 0.26 | 0.02 | 0.06 |
Primary outcome name | 0.58 | 0.30 | 0.12 | 0.10 | 0.08 | 0.12 |
Primary outcome time point | 0.42 | 0.46 | 0.22 | 0.22 | 0.02 | 0.12 |
Secondary outcome name | 0.60 | 0.38 | 0.20 | 0.14 | 0.06 | 0.02 |
Secondary outcome time point | 0.56 | 0.38 | 0.12 | 0.24 | 0.04 | 0.06 |
Funding organization name | 0.38 | 0.40 | 0.26 | 0.14 | 0.00 | 0.22 |
Funding number | 0.80 | 0.18 | 0.18 | 0.00 | 0.00 | 0.02 |
Early stopping | 0.92 | 0.08 | 0.08 | 0.00 | 0.00 | 0.00 |
Registration identifier of trial | 0.96 | 0.00 | 0.00 | 0.00 | 0.00 | 0.04 |
Author name | 0.98 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 |
Date of publication | 0.98 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 |
DOI | 0.98 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 |
Micro-average = Macro-average | 0.66 | 0.28 | 0.10 | 0.15 | 0.04 | 0.06 |