Table 3 Kappa values for the annotation of single entities. The hyphens indicate that no entities were annotated with the corresponding category

AggregationMethod

0.89

0.41

AllocationRatio

0.91

0.00

Author

0.97

0.98

BaseLineValue

0.98

0.86

BioAndMedicalUnit

0.89

0.81

ChangeValue

0.96

0.77

ConclusionComment

0.96

0.92

ConflictInterest

0.00

0.00

Country

0.93

0.87

CTAnalysisApproach

0.26

0.19

CTDesign

0.85

0.86

DeliveryMethod

0.82

0.52

DiffGroupValues

0.71

0.78

DisorderOrSyndrome

0.93

0.98

DoseDescription

–

0.41

DoseValue

0.96

0.62

Drug

0.83

0.91

Duration

0.72

0.82

EndPointDescription

0.79

0.77

Ethnicity

0.83

0.86

Frequency

0.92

0.92

Gender

–

0.61

Journal

0.97

0.94

MeasurementDevice

0.19

0.00

ObjectiveDescription

0.83

0.88

ObservedResult

0.25

0.06

PMID

0.98

1.00

Precondition

0.47

0.66

PublicationYear

0.95

0.98

RelativeChangeValue

0.97

0.77

RelativeTime

0.32

0.71

ResultMeasuredValue

0.93

0.82

SubGroupDescription

0.23

0.46

TimePoint

0.46

0.71

Title

0.95

0.98

Avg. Kappa

0.74

0.68