Table 3 Fragment level performance of ExaCT
From: ExaCT: automatic extraction of clinical trial characteristics from journal publications
Information element | # of expert's fragments | exact match | partial match | ||
|---|---|---|---|---|---|
| Â | Â | precision | recall | precision | recall |
Eligibility criteria | 103 | 1.00 | 1.00 | 1.00 | 1.00 |
Sample size | 46 | 0.89 | 0.87 | 0.89 | 0.87 |
Start date of enrolment | 32 | 1.00 | 1.00 | 1.00 | 1.00 |
End date of enrolment | 31 | 1.00 | 1.00 | 1.00 | 1.00 |
Name of experimental treatment | 54 | 0.72 | 0.54 | 0.97 | 0.72 |
Name of control treatment | 55 | 0.83 | 0.80 | 0.89 | 0.85 |
Dose | 103 | 0.91 | 0.90 | 0.96 | 0.97 |
Frequency of treatment | 70 | 0.91 | 0.87 | 0.99 | 0.93 |
Route of treatment | 53 | 0.94 | 0.92 | 0.94 | 0.92 |
Duration of treatment | 45 | 0.84 | 0.91 | 0.86 | 0.93 |
Primary outcome name | 38 | 0.97 | 0.97 | 0.97 | 0.97 |
Primary outcome time point | 33 | 0.90 | 0.79 | 0.97 | 0.85 |
Secondary outcome name | 43 | 0.93 | 0.88 | 1.00 | 1.00 |
Secondary outcome time point | 25 | 0.72 | 0.72 | 0.92 | 0.92 |
Funding organization name | 45 | 0.90 | 0.98 | 0.90 | 0.98 |
Funding number | 7 | 1.00 | 1.00 | 1.00 | 1.00 |
Early stopping | 2 | 1.00 | 1.00 | 1.00 | 1.00 |
Registration identifier of trial | 29 | 1.00 | 1.00 | 1.00 | 1.00 |
Author name | 49 | 1.00 | 1.00 | 1.00 | 1.00 |
Date of publication | 49 | 1.00 | 1.00 | 1.00 | 1.00 |
DOI | 47 | 1.00 | 1.00 | 1.00 | 1.00 |
Micro-average | 959 | 0.93 | 0.91 | 0.96 | 0.94 |
Macro-average | Â | 0.93 | 0.91 | 0.96 | 0.95 |