TABLE 4.

Extended virulence genotyping of APEC (n = 794) and AFEC (n = 200) isolates

Genea	No. of APEC and AFEC isolates carrying (+) or lacking (−) the gene				P value
	APEC +	APEC −	AFEC +	AFEC −
iroN*	677	117	42	158	<0.0001
Episomal ompT*	624	170	42	158	<0.0001
hlyF*	621	173	48	152	<0.0001
Episomal iss*	639	155	60	140	<0.0001
cvaB5′	594	200	44	156	<0.0001
cvaA	587	207	42	158	<0.0001
etsA	561	233	43	157	<0.0001
iutA*	641	153	71	129	<0.0001
etsB	560	234	44	156	<0.0001
cvaC	485	309	24	176	<0.0001
cvaB3′	485	309	33	167	<0.0001
papGI	4	790	34	166	<0.0001
Chromosomal ompT	497	297	47	153	<0.0001
ireA	352	442	23	177	<0.0001
papEF	270	524	16	184	<0.0001
papC	289	505	21	179	<0.0001
papGII	286	508	23	177	<0.0001
cbi	278	516	23	177	<0.0001
vat	262	532	22	178	<0.0001
papG23	256	538	21	179	<0.0001
fyuA	413	381	60	140	<0.0001
cma	217	577	19	181	<0.0001
eitB	323	471	43	157	<0.0001
eitA	323	471	43	157	<0.0001
papA	79	715	2	198	<0.0001
gimB	75	719	3	197	0.0002
afa	43	751	0	200	0.0008
sfa/foc	29	765	0	200	0.0061
fliCH7	37	757	19	181	0.0080
cnf1	11	783	8	192	0.0158
sfaS	20	774	1	199	0.0760
kpsMT2	179	615	35	165	0.1209
kpsMT3	9	785	0	200	0.1304
papG1	7	787	0	200	0.1827
malPAI	125	669	24	176	0.1851
hlyD	5	789	0	200	0.2606
bmaE	4	790	0	200	0.3145
papGIII	3	791	0	200	0.3840
rfc	3	791	0	200	0.3840
kpsMT1	125	669	27	173	0.4308
gafD	2	792	0	200	0.4774
iha	18	776	3	197	0.5002
cdtB	7	787	1	199	0.5893
ibeA	94	700	21	179	0.5968
papG I′	0	794	0	200	1.0000
focG	0	794	0	200	1.0000

^aAsterisks indicate genes selected for a pentaplex typing scheme based upon this analysis, LCA, and the MCA plot (Fig. 2).