Table 2 Drop out characteristics.

	GOS/FOS formula	Placebo formula	p value
n (%)	27 (20.9%)	26 (20.0%)	ns
Male/female	13/14	14/12	ns
Birth weight (g)*	3350±450	3380±460	ns
Birth length (cm)*	49.2±1.7	49.2±1.8	ns
Reasons for dropping out
Continuation/reestablishment breast feeding	22	21	ns
Hardness of stool	0	2	ns
Flatulence	1	1	ns
Move to other city	1	0	ns
No information	3	2	ns

*Data are presented as mean±SD.