. Author manuscript; available in PMC: 2013 Feb 1.

Published in final edited form as: J Biomed Inform. 2011 Sep 1;45(1):1–14. doi: 10.1016/j.jbi.2011.08.016

Table 7.

Phase 2 auditing results for overlapping concepts by area

Area	C	V	D	V_err	E	E/V_err	E/V	D_err	E_root	E_root/D_err	D_err/D	(V_err − D_err)/(V − D)
substance	107	48	15	28	36	1.29	0.75	8	11	1.38	53%	61%
topography	249	110	37	52	57	1.10	0.52	20	22	1.10	54%	44%
procedure	23	2	1	1	1	1.00	0.50	1	1	1.00	100%	0%
topog., proc.	244	29	16	28	38	1.36	1.31	15	19	1.27	94%	100%
topog., subst.	171	5	4	3	4	1.33	0.80	3	4	1.33	75%	0%
subst., topog., proc.	288	16	14	15	25	1.67	1.56	14	23	1.64	100%	50%
Total:	1,082	210	87	127	161	1.27	0.77	61	80	1.30	70%	54%

C = # concepts; V = # overlapping concepts; D = # overlapping roots; V_err = # erroneous overlapping concepts; E = total # errors; D_err = # erroneous overlapping roots; E_root = # errors at the roots;