Admission Screening of Methicillin-Resistant Staphylococcus aureus with Rapid Molecular Detection in Intensive Care Unit: A Three-Year Single-Centre Experience in Hong Kong

Table 1

Yearly results of MRSA screening on admission and number of positive cases of ICU-acquired MRSA infections during culture-phase and PCR-phase.

Year	MRSA PCR results on admission			ICU-acquired MRSA infections
	No. of positive	No. of negative	Total no. of samples	No. of positive cases	MRSA transmission/1000 patient bed days
Culture phase
2006	25	1593	1618	24		4.00
2007	20	1633	1653	19		3.34
Total	45	3226	3271	43	Average	3.67
PCR phase
2008	76	1474	1550	16		2.57
2009	77	1555	1632	11		1.81
2010	58	1439	1497	5		0.81
Total	211	4468	4679	32	Average	1.73