Table 8
Performance Changes from Baseline by Using Extended Lexicon, and Using Both Extended Lexicon and Customized Grammar
| Report Type | NPI Version | Change in True-Positives | Change in False-Positives | Change in False-Negatives | Change in Precision | Change in Recall | Change in F1 |
| CT | SL | 6.0% | −29.7% | −37.8% | 5.5% | 6.0% | 5.8% |
| SL+GR | 8.3% | −55.9% | −52.0% | 10.0% | 8.3% | 9.2% | |
| MAMMO | SL | 11.5% | −71.4% | −42.9% | 18.7% | 11.5% | 15.0% |
| SL+GR | 11.5% | −71.4% | −42.9% | 18.7% | 11.5% | 15.0% | |
| MR | SL | 3.9% | −30.0% | −26.9% | 4.0% | 3.8% | 3.9% |
| SL+GR | 5.1% | −43.0% | −35.6% | 5.7% | 5.0% | 5.3% | |
| PROC | SL | 2.5% | −33.3% | −29.0% | 3.5% | 2.5% | 3.0% |
| SL+GR | 3.1% | −70.0% | −68.3% | 9.4% | 8.2% | 8.8% | |
| RAD | SL | 8.7% | −25.5% | −40.0% | 4.8% | 8.7% | 6.8% |
| SL+GR | 9.5% | −31.9% | −43.3% | 5.8% | 9.5% | 7.7% | |
| US | SL | 18.8% | −45.5% | −50.0% | 16.1% | 18.8% | 17.4% |
| SL+GR | 31.3% | −81.8% | −83.3% | 28.3% | 31.3% | 29.8% | |
| All | SL | 5.3% | −31.1% | −34.3% | 4.8% | 5.2% | 5.0% |
| SL+GR | 6.8% | −48.3% | −44.2% | 7.4% | 6.7% | 7.1% |
