. 2007 Feb 9;189(8):3228–3236. doi: 10.1128/JB.01726-06

TABLE 6.

Embryo lethality at 4 days post infection

Strain	VF count^b	No. of:		P value^a vs DH5α	Kill class^c
Strain	VF count^b	Embryos	Deaths	P value^a vs DH5α	Kill class^c
DH5α	0	20	1		A
APEC O1	28	20	11	0.001	B
APEC V1	14	20	12	0.0004	B
APEC V7	19	20	12	0.0004	B
APEC V2	20	20	16	<0.0001	C

As calculated using Fisher's exact test (63).

Total number of ExPEC virulence-associated traits detected, based on Fig. 1.

As determined using a one-way analysis of variance (63).