대한의료관련감염관리학회 Korean Society for Healthcare-associated infection Control and Prevention.

pISSN 0705-3797. eISSN 2586-1298.

Table. 2.

Table. 2.

Comparison of methicillin-resistant Staphylococcus aureus colonization and infection by stage (N=346)

Variables Total ASC
(n=125)
ASC, Isolation
(n=126)
ASC, Isolation, 2% CHG bathing (n=95) χ2 P
N (%), Mean±SD (median, range)
Number of patients 346 125 126 95
Patient days 2,646 1,075 899 672
MRSA colonization 16 (4.6) 8 (6.4) 5 (4.0) 3 (3.2) 1.480 .477
MRSA colonization incidence rate 4.6 6.4 4.0 3.2
MRSA colonization incidence density rate 6.04 7.44 5.56 4.46
Days of MRSA colonization (n=16) 16.50±25.00 (9.00, 3.00-108.00) 21.38±35.30 (8.50, 3.00-108.00) 9.40±5.32 (8.00, 3.00-17.00) 15.33±6.66 (17.00, 8.00-21.00) 1.851 .396
MRSA infection 1 (0.3) 0 (0.0) 1 (0.8) 0 (0.0) 1.671 1.000*
Days of MRSA infection (n=1) 10 0 10 0 N/A N/A

*Fisher’s exact test; MRSA colonization incidence rate=Patient with MRSA colonizationNumber of patients×100; MRSA colonization incidence density rate= Patient with MRSA colonizationPatient days×1000

Abbreviations: ASC, active surveillance culture; CHG, chlorhexidine gluconate; MRSA, methicillin-resistant Staphylococcus aureus; N/A, not available; SD, standard deviation

Korean J healthc assoc Infect Control Prev 2022;27:35~42 https://doi.org/10.14192/kjicp.2022.27.1.35
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