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Table 2 Sentence level performance of ExaCT

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

Information element at least one relevant answer per article all answers
  # of articles with expert's answers system's suggestion top5 recall # of sentences with expert's answers top5 sentence recall
   precision recall    
Eligibility criteria 50 0.78 0.78 0.98 133 0.77
Sample size 50 0.77 0.68 0.84 52 0.83
Start date of enrolment 37 0.97 0.86 0.86 37 0.86
End date of enrolment 37 0.91 0.81 0.89 37 0.89
Name of experimental treatment 50 0.86 0.86 0.98 56 0.95
Name of control treatment 50 0.86 0.86 1.00 54 0.96
Dose 49 0.81 0.78 0.98 72 0.90
Frequency of treatment 41 0.80 0.78 1.00 55 0.95
Route of treatment 37 0.86 0.81 0.95 39 0.95
Duration of treatment 41 0.74 0.76 0.93 44 0.91
Primary outcome name 48 0.66 0.69 0.88 52 0.81
Primary outcome time point 31 0.53 0.61 0.81 33 0.76
Secondary outcome name 43 0.69 0.79 0.98 49 0.88
Secondary outcome time point 26 0.69 0.69 0.88 29 0.83
Funding organization name 40 0.47 0.50 0.72 42 0.74
Funding number 5 0.31 0.80 0.80 5 0.80
Early stopping 2 0.33 1.00 1.00 2 1.00
Registration identifier of trial 31 1.00 0.94 0.94 31 0.94
Author name 50 0.98 0.98 0.98 50 0.98
Date of publication 50 0.98 0.98 0.98 50 0.98
DOI 48 1.00 0.98 0.98 48 0.98
Micro-average 816 0.80 0.80 0.93 970 0.88
Macro-average   0.76 0.81 0.92   0.89