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. 2016 Jan 6;11(1):e0144717. doi: 10.1371/journal.pone.0144717

Table 6. 5-fold cross-validation NE results.

Exact Span Match Relaxed Span Match
Category BL-Ex SM-Ex FM-Ex UL-Ex BL-Rel SM-Rel FM-Rel UL-Rel
Environmental (P) 0.66 0.63 0.64 0.65 0.79 0.76 0.77 0.79
Environmental (R) 0.39 0.41 0.41 0.40 0.46 0.50 0.49 0.48
Environmental (F) 0.49 0.50 0.50 0.49 0.58 0.60 0.60 0.60
Condition (P) 0.78 0.80 0.81 0.81 0.88 0.89 0.90 0.89
Condition (R) 0.68 0.75 0.74 0.74 0.76 0.83 0.82 0.82
Condition (F) 0.73 0.78 0.78 0.77 0.82 0.86 0.85 0.86
Subject (P) 0.70 0.79 0.80 0.80 0.87 0.87 0.87 0.87
Subject (R) 0.70 0.70 0.71 0.70 0.76 0.76 0.77 0.76
Subject (F) 0.74 0.74 0.75 0.75 0.81 0.81 0.82 0.81
Sign_or_Symptom (P) 0.79 0.79 0.81 0.81 0.86 0.86 0.87 0.87
Sign_or_Symptom (R) 0.56 0.62 0.61 0.60 0.61 0.66 0.65 0.65
Sign_or_Symptom (F) 0.66 0.70 0.70 0.69 0.71 0.75 0.75 0.74
Anatomical (P) 0.80 0.80 0.82 0.80 0.88 0.88 0.89 0.88
Anatomical (R) 0.66 0.70 0.70 0.72 0.72 0.77 0.76 0.78
Anatomical (F) 0.73 0.75 0.76 0.76 0.79 0.82 0.82 0.83
Therapeutic_or_Inv (P) 0.71 0.73 0.72 0.74 0.79 0.79 0.80 0.81
Therapeutic_or_Inv (R) 0.48 0.52 0.52 0.52 0.53 0.57 0.57 0.57
Therapeutic_or_Inv (F) 0.57 0.61 0.60 0.61 0.64 0.66 0.67 0.67
Biological_Entity (P) 0.91 0.91 0.91 0.91 0.93 0.94 0.93 0.93
Biological_Entity (R) 0.57 0.57 0.61 0.62 0.58 0.66 0.62 0.63
Biological_Entity (F) 0.70 0.70 0.73 0.74 0.72 0.78 0.74 0.75
TOTAL (P) 0.77 0.77 0.79 0.78 0.86 0.85 0.86 0.86
TOTAL (R) 0.58 0.63 0.63 0.63 0.65 0.70 0.69 0.70
TOTAL (F) 0.67 0.70 0.70 0.70 0.74 0.77 0.77 0.77

BL = Baseline; SM = Selective MetaMap; FM = Full MetaMap; UL = UMLS Lookup; Ex = Exact span matching; Rel = Relaxed span matching; P = Precision; R = Recall; F = F-Score. The best Precision, Recall and F-Score results for each category are shown in bold type.