Table 6.

Descriptive Statistics of Minimum Inhibitory Concentrations (μg/mL) for S. aureus/Methicillin-Susceptible Isolates of Chronic Conjunctivitis to 9 Antibiotics

S. aureus-MS n=25
Antibiotics	Median	MIC50	MIC90	Mode	Min MIC to max MIC	% Susceptibility
Cephalothin	0.75	0.75	4.0	1.0	0.023 to 8	100
Cefoxitin	3.0	3.0	6.0	6.0	0.19 to 6.0	96
Ciprofloxacin	0.19	0.19	0.5	0.38	0.025 to 0.75	100
Clindamycin	0.094	0.094	0.47	0.125	0.016 to >256	92
Erythromycin	0.194	0.194	0.38	0.125	0.023 to >256	84
Moxifloxacin	0.047	0.047	0.064	0.047	0.008 to 0.064	100
Oxacillin	0.50	0.50	1.0	0.50	0.064 to 1.0	100
Tobramycin	0.75	0.75	3	1	0.25 to 48	96
Vancomycin	1.5	1.5	1.5	1.5	0.38 to 2.0	100

MIC, minimum inhibitory concentration.