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. 2017 Jul 26;2017:221–228.

Table 4:

Evaluation on the co-referencing of lab results between structured and unstructured data

Lab Test Average # of structured record Average # of narrative extracted Intersection Ratio Union Ratio
HbA1c 15.84 4.38 0.40 0.46
Glucose 18.99 3.79 0.19 0.22