Table 5.
Fragment-level performance of various extraction methods.
| Regex Matching | Concept Mapping | Supplement Dictionary | Combined Method | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| ||||||||||||
| R | P | F1 | R | P | F1 | R | P | F1 | R | P | F1 | |
| SampleSize /GroupSize |
93.6 | 87.3 | 90.3 | NA | NA | NA | NA | NA | NA | 93.6 | 87.3 | 90.3 |
| Population | NA | NA | NA | 86.1 | 60.7 | 71.2 | 70.7 | 66.4 | 68.5 | 97 | 67.8 | 79.8 |
| Study Arm | NA | NA | NA | 94.9 | 78.5 | 85.9 | 82.5 | 87.6 | 85 | 96.8 | 78.6 | 86.8 |
| Outcome | 14.0 | 19.7 | 16.4 | 56.4 | 41.9 | 48.1 | 82.4 | 79.5 | 80.9 | 93.5 | 72.6 | 81.8 |