From: Gut microbiota of preterm infants supplemented with probiotics: sub-study of the ProPrems trial
 | Probiotic (n = 38 infants, 124 specimens) | Placebo (n = 28 infants, 91 specimens) |  |  |  | ||
---|---|---|---|---|---|---|---|
Genusa | Prevalence n infants (%)b; n specimens (%)c | Relative abundance Mean % (SD) | Prevalence n infants (%)b; n specimens (%)c | Relative abundance Mean % (SD) | AORd (95% CI) | P value | Adjusted P valuee |
Bifidobacterium | 38 (100); 111 (90) | 36.4 (32.5) | 25 (89); 50 (55) | 17.5 (27.4) | 4.28 (2.02–9.10) | < 0.001 | 0.002 |
Enterobacter | 37 (97); 95 (77) | 14.8 (24.6) | 28 (100); 77 (85) | 18.7 (25.1) | 0.75 (0.40–1.41) | 0.37 | 0.45 |
Escherichia/Shigella | 37 (97); 84 (68) | 9.1 (19.1) | 28 (100); 74 (81) | 7.5 (17.2) | 0.69 (0.34–1.43) | 0.32 | 0.43 |
Staphylococcus | 36 (95); 65 (52) | 8.1 (24.0) | 24 (86); 48 (53) | 7.5 (20.4) | 0.85 (0.47–1.55) | 0.60 | 0.60 |
Enterococcus | 37 (97); 76 (61) | 3.7 (11.0) | 28 (100); 71 (78) | 8.8 (19.3) | 0.37 (0.20–0.71) | 0.003 | 0.02 |
Streptococcus | 38 (100); 93 (75) | 4.7 (15.0) | 25 (89); 48 (53) | 2.9 (9.4) | 1.57 (0.88–2.80) | 0.13 | 0.31 |
Veillonella | 32 (84); 56 (45) | 2.4 (7.2) | 25 (89); 46 (51) | 3.3 (7.9) | 0.74 (0.42–1.33) | 0.32 | 0.43 |
Clostridium | 32 (84); 53 (43) | 0.5 (2.4) | 27 (96); 45 (49) | 3.0 (9.0) | 0.68 (0.38–1.21) | 0.19 | 0.31 |
Lactobacillus | 23 (61); 41 (33) | 0.9 (3.7) | 13 (46); 19 (21) | 2 (7.6) | 1.85 (0.78–4.41) | 0.16 | 0.31 |
Citrobacter | 20 (53); 27 (22) | 0.8 (3.4) | 21 (75); 34 (37) | 1.7 (10.1) | 0.44 (0.19–1.02) | 0.06 | 0.21 |
Akkermansia | 6 (16); 6 (5) | 0.1 (0.5) | 3 (11); 3 (3) | 1.4 (9.2) | 1.87 (0.41–8.59) | 0.42 | 0.47 |
Pantoea | 11 (29); 14 (11) | 0.1 (0.8) | 12 (43); 18 (20) | 1.1 (10.1) | 0.45 (0.15–1.35) | 0.15 | 0.31 |