Table 1. Effects of inoculation with lactobacilli on spontaneous NEC scores.

Inoculum	Dose, cfu	NEC score 0	NEC score 1	NEC score 2	NEC score 3	NEC score 4	p1	N
None		11	9	21	5	1		47
L. murinus	107	9	6	1	0	0	0.009	16
L. murinus	108	9	6	1	0	0	0.009	16
L. acidophilus	107	1	1	5	1	0	0.52	9
L. acidophilus	108	2	4	6	1	0	0.88	13
L. johnsonii	107	1	2	6	0	0	0.70	10
L. johnsonii	108	2	2	5	1	0	0.77	10

¹Compared to the no inoculum cohort, χ² test.