Table 6.
Cases from the institutional classification tasks where the results of CNN and the rule-based NLP algorithm are different
Task | Case # | Text Snippets | Gold Standard | Rule-based NLP | CNN |
---|---|---|---|---|---|
Mayo Clinic Smoking Status Classification | 1 | …She is a taxi driver and she has never used tobaco products… | Non-smoker | X | Y |
2 | …No smoking after age XXX… | Smoker | X | Y | |
3 | …Tobacco current use: No never used any... | Non-smoker | Y | X | |
Proximal Femur (Hip) Fracture Classification | 1 | …Indications: femur fx…Cannulated screw fixation of the right femoral neck… | Proximal Femur fracture | X | Y |
2 | … Pin fixation across the proximal left femoral neck… | Proximal Femur fracture | X | Y | |
3 | Exam: Sp Cerv*2vw Flex/Ext only Indications: Fx Vertebra Cervical Closed… | Non-Proximal Femur fracture | X | Y | |
4 | Exam: R Major Jnt Asp and/or Inj Indications: R hip inj/marc/steroid; fx femur neck nos closed, pain hip... | Proximal Femur fracture | Y | X |
We use Y to indicate the correct extraction result and X otherwise