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Table 4 Performance of the entire IE system

From: ExaCT: automatic extraction of clinical trial characteristics from journal publications

Information element fully correct solution partially correct solution incorrect solution
   total sentence selection only change in highlighting sentence adding  
Eligibility criteria 0.08 0.90 0.50 0.00 0.40 0.02
Sample size 0.56 0.28 0.04 0.24 0.02 0.16
Start date of enrolment 0.88 0.02 0.02 0.00 0.00 0.10
End date of enrolment 0.82 0.10 0.06 0.04 0.00 0.08
Name of experimental treatment 0.38 0.60 0.04 0.56 0.02 0.02
Name of control treatment 0.62 0.38 0.08 0.30 0.02 0.00
Dose 0.50 0.48 0.10 0.32 0.10 0.02
Frequency of treatment 0.60 0.40 0.02 0.34 0.06 0.00
Route of treatment 0.74 0.22 0.04 0.18 0.00 0.04
Duration of treatment 0.58 0.36 0.10 0.26 0.02 0.06
Primary outcome name 0.58 0.30 0.12 0.10 0.08 0.12
Primary outcome time point 0.42 0.46 0.22 0.22 0.02 0.12
Secondary outcome name 0.60 0.38 0.20 0.14 0.06 0.02
Secondary outcome time point 0.56 0.38 0.12 0.24 0.04 0.06
Funding organization name 0.38 0.40 0.26 0.14 0.00 0.22
Funding number 0.80 0.18 0.18 0.00 0.00 0.02
Early stopping 0.92 0.08 0.08 0.00 0.00 0.00
Registration identifier of trial 0.96 0.00 0.00 0.00 0.00 0.04
Author name 0.98 0.00 0.00 0.00 0.00 0.02
Date of publication 0.98 0.00 0.00 0.00 0.00 0.02
DOI 0.98 0.00 0.00 0.00 0.00 0.02
Micro-average = Macro-average 0.66 0.28 0.10 0.15 0.04 0.06
  1. The numbers represent the proportion of the 50 test articles for which a fully correct, a partially correct, or no correct solution has been found by the IE engine.