Table 2.

Results for extracting treatment relations from text.

System	TP	FP	FN	TN	P	R	F
SemRep	625	145	333	9483	81.17	65.24	72.34
Our system	790	113	168	9515	87.49*	82.46*	84.90*

^*p<0.001; statistically significant differences in performance between our system and SemRep.

F, F1-measure; FN, false negatives; FP, false positives; P, precision; R, recall, TN, true negatives, TP, true positives.