Table 1. Distribution of NEC scores in 4-day-old rats.
Treatment group | cfu | NEC score | n | p* | % strain** | ||||
---|---|---|---|---|---|---|---|---|---|
0 | 1 | 2 | 3 | 4 | |||||
Breast-fed | 7 | 7 | |||||||
Formula-hypoxia (FFH) | 17 | 13 | 11 | 6 | 1 | 48 | |||
FFH+E.faecalis 8 | 108 | 29 | 26 | 35 | 9 | 0 | 99 | 0.24 | 0 |
-- // -- | 109 | 14 | 17 | 15 | 4 | 1 | 51 | 0.54 | 0 |
-- // -- | 1010 | 5 | 5 | 8 | 0 | 0 | 18 | 0.073 | 0 |
FFH+E.faecalis 82 | 108 | 9 | 12 | 14 | 6 | 1 | 42 | 0.25 | 0 |
-- // -- | 109 | 7 | 7 | 4 | 3 | 1 | 22 | 0.72 | 0 |
-- // -- | 1010 | 11 | 6 | 4 | 2 | 0 | 23 | 0.33 | 0 |
FFH+E.faecalis BB70 | 106 | 11 | 8 | 7 | 0 | 0 | 26 | 0.31 | 3.7±0.88 |
-- // -- | 107 | 5 | 8 | 11 | 3 | 1 | 28 | 0.044 | 30±4.4 |
-- // -- | 108 | 3 | 7 | 10 | 14 | 0 | 34 | <0.0001 | 100 |
-- // -- | 109 | 2 | 7 | 12 | 12 | 1 | 34 | <0.0001 | 100 |
-- // -- | 1010 | 1 | 2 | 6 | 5 | 0 | 14 | 0.0085 | 100 |
FFH+E.faecalis 224 | 106 | 7 | 8 | 4 | 2 | 0 | 21 | 0.63 | 0.35±0.14 |
-- // -- | 107 | 3 | 4 | 2 | 2 | 0 | 11 | 0.41 | 0.8±0.37 |
-- // -- | 108 | 14 | 6 | 4 | 0 | 0 | 24 | 0.005 | 40±5.0 |
-- // -- | 109 | 9 | 7 | 3 | 0 | 0 | 19 | 0.037 | 53±4.0 |
-- // -- | 1010 | 10 | 2 | 0 | 0 | 0 | 12 | 0.011 | 47±7.1 |
FFH+E.faecalis BB24 | 106 | 8 | 5 | 3 | 4 | 0 | 20 | 0.25 | 0 |
-- // -- | 107 | 7 | 13 | 6 | 2 | 0 | 28 | 0.0506 | 0.34±0.13 |
-- // -- | 108 | 4 | 11 | 9 | 4 | 2 | 30 | 0.0037 | 7.2±2.1 |
-- // -- | 109 | 5 | 7 | 11 | 6 | 1 | 30 | 0.033 | 24±3.1 |
-- // -- | 1010 | 2 | 6 | 13 | 4 | 1 | 26 | 0.0029 | 26±3.3 |
C.muytjensii 51329 | 106 | 6 | 22 | 30 | 27 | 3 | 88 | <0.0001 | 100 |
*Compared to formula-hypoxia group, χ2 test.
**Average % of input strain in populations of E. faecalis (or C. muytjensii).