TABLE 2.

Viability rates (percent decreases) of β-lactamase-positive S. aureus at the different incubation times

Incubation period (h)	Mean viability rate (%) ± SD
	Control	Vancomycin	Amoxicillin	Amoxicillinclavulanic acid
0–0.5	−287 ± 47.32	77.53 ± 15.82	57.64 ± 7.76	50.03 ± 18.48
0.5–2	−572 ± 146.4	97.28 ± 0.19	87.18 ± 1.20	93.11 ± 0.48
2–3	−1,877 ± 255.2	97.92 ± 0.23	79.79 ± 2.47	97.15 ± 0.75
3–6	−74,000 ± 8,943	99.72 ± 0.09	−462 ± 12.95	99.49 ± 0.09
6–8	−120,000 ± 6,851	99.81 ± 0.03	−761 ± 100.7	99.80 ± 0.04