Table 2.

Fecal bifidobacteria counts (log cfu/g) at 10 days of age, full analysis set.

	VAGINAL DELIVERY		CESAREAN DELIVERY
	TEST FORMULA (n = 115)	CONTROL FORMULA (n = 113)	TEST FORMULA (n = 92)	CONTROL FORMULA (n = 101)
Number of infants (%) available for analysis	59 (51.3)	49 (43.4)	36 (39.1)	33 (32.7)
Mean (SD)	9.60 (1.09)	9.28 (1.37)	8.99 (1.44)	7.71 (1.68)
Median (min – max)	10.06 (5.93–10.77)	9.85 (6.15–10.79)	9.41 (6.30–10.94)	6.30 (6.30–10.51)
Treatment effect P value*	0.126		0.002

Notes:

^*Nonparametric Wilcoxon test for Test infant formula versus Control infant formula.

Abbreviations: cfu, colony-forming units; SD, standard deviation; min, minimum; max, maximum.