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J Am Med Inform Assoc 17:545-548 doi:10.1136/jamia.2010.003863
  • Research paper

Automatic extraction of medication information from medical discharge summaries

Table 4

The performance for medication extraction on the annotated test data

Run 1 (F-measure) Run 2 (F-measure)
Exact Inexact Exact Inexact
Horizontal med-entry System-level 0.7955 0.8111 0.7955 0.8116
Patient-level 0.7845 0.7973 0.7846 0.7977
Vertical med name System-level 0.8589 0.8904 0.8589 0.8904
Patient-level 0.8593 0.8876 0.8593 0.8876
dosage System-level 0.8037 0.8596 0.8037 0.8596
Patient-level 0.7942 0.8496 0.7942 0.8496
mode System-level 0.8488 0.8543 0.8488 0.8543
Patient-level 0.8409 0.8489 0.8409 0.8489
frequency System-level 0.8170 0.8299 0.8165 0.8322
Patient-level 0.8063 0.8300 0.8059 0.8329
duration System-level 0.400 0.4494 0.3987 0.4489
Patient-level 0.3451 0.3934 0.3387 0.3866
reason System-level 0.2294 0.2439 0.2294 0.2439
Patient-level 0.2202 0.2520 0.2202 0.2520

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