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. 2012 Nov 8;8(11):e1002989. doi: 10.1371/journal.ppat.1002989

Table 1. Analysis of competitive advantage for the antigen-negative strain.

Day	Group	Sample size	Median log₁₀(AVO/OVA)	P-value^a	95% Confidence Interval^b
1	Control	n = 10	0.185	0.067	(−0.006, 0.563)
	Immunized	n = 8	0.334
4	Control	n = 11	−0.028	0.50	(−1.437, 0.456)
	Immunized	n = 10	0.0420
8	Control	n = 16	0.011	0.12	(−0.232, 1.015)
	Immunized	n = 13	0.730

^a

Two-sided Mann-Whitney test of equal median log₁₀ (AVO/OVA).

^b

Nonparametric confidence interval for median of the difference in log₁₀(AVO/OVA).