Antiseptics and mupirocin resistance in clinical, environmental, and colonizing coagulase negative Staphylococcus isolates

Table 4 Difference in antiseptic susceptibility between S. epidermides and non-epidermides CoNS

Antiseptics		S. epidermidis (N = 19)	Non-epidermidis CoNS. (N = 6)	P value
Benzalkonium chloride (BC)	Sensitive N (%)	0	0
Benzalkonium chloride (BC)	Resistant N (%)	19 (100)	6 (100)
Cetyltrimethyla mmonium bromide (CTAB)	Sensitive N (%)	0	0
Cetyltrimethyla mmonium bromide (CTAB)	Resistant N (%)	19 (100)	6 (100)
Chlorhexidine digluconate (CHDG)	Sensitive N (%)	5 (26.3)	1 (16.7)
Chlorhexidine digluconate (CHDG)	Resistant N (%)	14 (73.7)	5 (83.3)	0.9

CHDG resistance is defined as a MIC ≥ 4 µg/ml [18]; CTAB resistance is defined as a MIC ≥ 0.5 µg/ml [19], and BAC with a MIC > 3 µg/ml [6] was considered resistant

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