Table 2.

i2b2-PHI categories: micro- and macro-averaged entity-based evaluation. The micro-F1 scores are bolded, as they are the primary evaluation metric for this task.

Rank	Team Name	Micro- averaged Precision	Micro- averaged Recall	Micro- averaged F1	Macro- averaged Precision	Macro- averaged Recall	Macro- averaged F1
1	University of Nottingham	0.9645	0.9092	0.9360	0.9653	0.9156	0.9398
2	Harbin Institute of Technology: Shenzhen Graduate School	0.9264	0.8988	0.9124	0.9282	0.9091	0.9185
3	University of Manchester	0.9306	0.8836	0.9065	0.9341	0.893	0.9131
4	Harbin Institute of Technology	0.9229	0.8505	0.8852	0.9228	0.8576	0.889
5	Kaiser Permanente	0.8731	0.7700	0.8183	0.8727	0.7627	0.814
6	LIMSI–CNRS	0.8937	0.7332	0.8055	0.8909	0.7272	0.8007
7	Memorial University of Newfoundland	0.7944	0.7191	0.7549	0.7963	0.7259	0.7595
8	East China Normal University	0.9344	0.4288	0.5878	0.9215	0.3951	0.5531
9	California State University San Marcos	0.7628	0.3526	0.4823	0.7217	0.3235	0.4467
10	UC San Diego	0.5271	0.3825	0.4433	0.5662	0.4011	0.4696