Transmission of methicillin-resistant staphylococcus aureus in the long term care facilities in Hong Kong

BMC Infectious Diseases

Table 3 Risk factors for MRSA colonization in the LTCFs subgroup

	MRSA carrier (n = 121)	Non-MRSA carrier (n = 733)	p value
Age (mean ± SD)	84.3 ± 8.9	83.0 ± 10.1	0.144
Sex (male)	35 (28.9%)	246 (33.6%)	0.368
Underlying diseases
Chronic cerebral conditions ^a	25 (20.7%)	84 (11.5%)	0.008
Presence of
Nasogastric tube	13 (10.7%)	39 (5.3%)	0.035
Urinary catheter	5 (4.1%)	5 (0.7%)	0.005
Antibiotics therapy within 3 months of MRSA screening
β -lactam/β-lactamase inhibitors	6 (5.0%)	15 (2.0%)	0.110
Area (square feet) per person ^b	108.8 ± 20.1	113.0 ± 19.0	0.031

LTCFs, long term care facilities; LTCFs subgroup, defined as LTCF residents who had not been hospitalized in the past 12 months; SD, standard deviation; ^a chronic cerebral conditions included cerebrovascular accident, dementia, and Parkinson disease; ^b area per person is defined as total area of the LTCFs over the number of resident occupying at the time of study.

ISSN: 1471-2334