Table 2.

Numerical recall and precision for the CAT Crawler meta-search engine and two individual search engines at BestBETs and UMHS

	Recall (%)		Precision (%)
	BestBETs & UMHS	CAT Crawler	BestBETs & UMHS	CAT Crawler	p-value
Appendicitis	96.15	96.15	76.92 (±4.80)	96.15 (±6.00)	0.000
Colic	54.81	54.81	51.58 (±2.58)	97.44 (±4.87)	0.000
Intubation	44.12	44.12	48.39 (±13.56)	68.18 (±19.10)	0.130
Ketoacidosis	48.72	48.72	36.54 (±12.97)	73.08 (±25.94)	0.001
Octreotide	59.62	59.62	47.69 (±10.13)	79.49 (±16.88)	0.000
Palsy	70.77	70.77	64.34 (±16.37)	70.77 (±18.01)	0.002
Prophylaxis	67.03	67.03	63.41 (±11.60)	78.21 (±14.31)	0.074
Sleep	57.95	57.95	48.29 (±19.82)	54.33 (±22.30)	0.038
Tape	46.15	46.15	46.15 (±7.31)	92.31 (±14.62)	0.000
Ultrasound	42.22	42.22	43.22 (±8.06)	62.60 (±11.68)	0.017
Average	58.75 (±16.25)	58.75 (±16.25)	52.65 (±12.0)	77.26 (±14.45)	0.000