. Author manuscript; available in PMC: 2015 Jan 16.

Published in final edited form as: Stud Health Technol Inform. 2010;160(0 1):709–713.

Table 1.

Questions and performance metrics for combined Groups A and B

Question	N	R	P	F₁	F_0.5
Question 1	91	50%	82%	0.63	0.73
Question 2	100	52%	61%	0.56	0.59
Question 3	88	86%	90%	0.88	0.90
Question 4	100	76%	84%	0.80	0.83
Overall	379	62%	79%	0.69	0.75

N=Total number of citations. R = Recall, P = Precision