TABLE 3.

Concentrations of amoxicillin in superficial gastric mucosa of uninfected and infected xenografts and mucosa/serum ratios

Time post-injectiona	Mean ± SD concn (μg/g) in mucosa in:		Mucosa/serum ratio (range) in:
	Uninfected xenografts	Infected xenografts	Uninfected xenografts	Infected xenografts
20 min	2.05 ± 1.04	7.98 ± 5.35	0.07–0.29	0.11–0.76
1 h	5.06 ± 2.02	10.14 ± 2.90b	0.15–0.48	0.60–1.16
3 h	2.91 ± 1.01	4.92 ± 2.19	0.41–1.20	0.77–1.50

^aAfter intraperitoneal administration of 20 mg/kg. 

^bStatistically significantly different from mean concentration in uninfected grafts (paired Student’s t test).