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. 2009 Apr 29;83(13):6963–6968. doi: 10.1128/JVI.00284-09

TABLE 1.

Raw fecal consistency scores following primary MNV-1 infection

Treatment (no. of PFU)	129SvEv					C57BL/6
	Frequency positive	No. positive/total			P value^a	Frequency positive	No. positive/total			P value^a
	Frequency positive	Score 1	Score 2	Both	P value^a	Frequency positive	Score 1	Score 2	Both	P value^a
Mock infection	0.15	9/62	0/62	9/62		0.20	5/25	0/25	5/25
10²	0.37	11/30	0/30	11/30	0.016	ND^b	ND	ND	ND	ND
10³	0.57	17/30	0/30	17/30	<0.0001	ND	ND	ND	ND	ND
10⁴	0.68	22/38	4/38	26/38	<0.0001	0.80	19/25	1/25	20/25	<0.0001
10⁷	0.69	9/16	2/16	11/16	<0.0001	0.90	8/10	1/10	9/10	<0.0001

^a

P values were determined by unpaired two-tailed t tests comparing the raw diarrheal scores of infected groups to those of mock-infected controls.

^b

ND, not done.