Enriching the international clinical nomenclature with Chinese daily used synonyms and concept recognition in physician notes

Table 4 The performance of CRF with all features for CTCF recognition

Round	Models	TP	FP	FN	P	R	F	Total
-	M0 (baseline)	9635	1111	1583	0.897	0.859	0.877	11,218
1st	M0 + F1	9654	1135	1564	0.895	0.861	0.877	11,218
1st	M0 + F2	9671	1127	1547	0.896	0.862	0.879	11,218
1st	M0 + F3	9664	1135	1554	0.895	0.862	0.878	11,218
1st	M0 + F4	9678	1101	1540	0.898	0.863	0.880	11,218
1st	M0 + F5 (M1)	9711	1057	1507	0.902	0.866	0.883	11,218
2nd	M1 + F1	9717	1066	1501	0.901	0.866	0.883	11,218
2nd	M1 + F2	9725	1083	1493	0.900	0.867	0.883	11,218
2nd	M1 + F3	9732	1082	1486	0.900	0.868	0.883	11,218
2nd	M1 + F4 (M2)	9725	1071	1493	0.901	0.867	0.884	11,218
3rd	M2 + F1 (M3)	9754	1062	1464	0.901	0.870	0.885	11,218
3rd	M2 + F2	9752	1080	1466	0.900	0.869	0.885	11,218
3rd	M2 + F3	9758	1094	1460	0.899	0.870	0.884	11,218
4th	M3 + F2 (M4)	9785	1069	1433	0.902	0.872	0.887	11,218
4th	M3 + F3	9765	1097	1453	0.899	0.871	0.885	11,218

F1 the stop character feature, F2 the current word feature, F3 the current and context word feature, F4 the word POS tag feature, F5 the word associative feature

ISSN: 1472-6947