TABLE 3.

P values determined by nonparametric tests for each antimicrobial agent for comparisons of different genomic DNA groups from the same sources and different sources of genomic DNA group 3^a

Genomic DNA group(s)	Source(s)	Pb
		AMK	GEN	NET	CAZ	IPM	SUL	CIP	NAL	TET	SMX	RIF
2, 3, 13TU	ICU specimens	NS	0.018	NS	0.001	0.001	0.003	<0.001	<0.001	<0.001	<0.001	NS
	Ward specimens	0.010	NS	NS	NS	0.019	0.002	0.001	0.008	<0.001	0.016	<0.001
	Patient carriage sites	<0.001	<0.001	<0.001	NS	NS	NS	NS	NS	0.005	NS	0.001
2, 13TU	ICU specimens	NS	NS	NS	0.001	0.003	0.016	<0.001	<0.001	<0.001	<0.001	0.015
	Ward specimens	0.002	NS	0.015	NS	0.004	NS	NS	NS	NS	0.004	0.001
	Patient carriage sites	<0.001	<0.001	<0.001	NS	NS	NS	NS	NS	NS	NS	0.002
3	Specimens from ICU and wards	NS	NS	NS	0.016	NS	NS	NS	NS	NS	NS	NS
	Carriage sites of community volunteers and hospital staff members, food and soil samples	NS	0.020	0.001	<0.001	<0.001	0.002	NS	0.019	NS	<0.001	NS

^aAbbreviations: AMK, amikacin; GEN, gentamicin; NET, netilmicin; CAZ, ceftazidime; IPM, imipenem; SUL, sulbactam; CIP, ciprofloxacin; NAL, nalidixic acid; TET, tetracycline; SMX, sulfamethoxazole; RIF, rifampin.

^bMann-Whitney test used for two independent samples; Kruskal-Wallis test used for three or more samples. NS, not significant (P > 0.02).