Table 2.

Comparison of antimicrobial susceptibility in isolates with a minimum inhibitory concentration of chlorhexidine gluconate (CHG MIC) ≤1 μg/mL and isolates with a CHG MIC ≥2 μg/mL

Antimicrobial agent	% susceptible to specified agenta		P-valueb
	CHG MIC ≤ 1 μg/mL (n = 11)	CHG MIC ≥ 2 μg/mL (n = 5)
Amoxicillin-clavulanate	100	80	0.31
Cefoxitin	72	20	0.11
Cefazolin	100	20	0.003
Ceftriaxone	72	40	0.30
Ciprofloxacin	100	20	0.003
Clindamycin	91	20	0.01
Erythromycin	45	20	0.59
Gentamicin	100	40	0.02
Penicillin	18	20	0.99
Trimethoprim-sulfamethoxazole	72	20	0.11

Notes:

^aAll isolates were susceptible to vancomycin, linezolid, and rifampin;

^bfrom Fisher’s exact test.