Table 5.
NLP labels⟍Gold standard | Resurfacing | No Resurfacing | Keywords |
---|---|---|---|
Resurfacing | 732 | 0 | (round/oval)... patellar/patella, Patellar... (round/oval/dome), Patellar (was/were) prepared, patellar (were/was) cemented, patellar component, surface of patellar removed, patellar surface was\were osteotomized, patellar was resurfaced, patella was cut, patellar button, patella ream, -patella, -patellar, Postresurfacing |
No Resurfacing | 5 | 59 | |
Accuracy = 99.4% | |||
Rules: Review “Implant Name” or “PREOP DIAGNOSIS” sections If finds any of the with patella resurfacing keywords, assign “With Patella resurfacing” after excluding all the mentions like “without patella resurfacing”, “unresurfaced patella”, “patella unresurfaced”, “patella was/were not” and “not to resurface”. And, also excludes all “Negative” mentions but keep those within sentences with “no.”, |