Table 1. Comparing patient identification errors between 2005 and 2014.

Sites	January-December, 2005			January–December, 2014			Reduction	P
	Errors	Specimens	Error%	Errors	Specimens	Error%
ED	423	399636	0.1058	3	444017	0.0007	99%	<0.001
IPD	556	947156	0.0587	52	1158402	0.0045	92%	<0.001
OPD	44	653553	0.0067	3	2158819	0.0001	98%	<0.001
Institution	1023	2000345	0.0511	58	3761238	0.0015	97%	<0.001

Abbreviations: ED, emergency department; IPD, inpatient department; OPD, outpatient department.