Table 4. Abundance of genus-like bacterial groups detected in meconium and 3rd week feces using the HITChip microarray.
| Phylum/order | Genus-like phylogenetic group¥ | Meconium samplesMean (95% CI)¤ | 3rd week fecal samplesMean (95% CI) | P-value* |
| Actinobacteria | Bifidobacterium | 3.28 (2.55; 4.01) | 4.07 (3.21; 4.93) | 0.140 |
| Micrococcaceae | 3.06 (2.21; 3.92) | 2.97 (2.59; 3.35) | 0.957 | |
| Propionibacterium | 3.63 (3.16; 4.11) | 2.27 (1.97–2.77)** | 0.004 | |
| Bacteroidetes | Bacteroides splachnicus et rel. | 2.38 (1.83; 2.92) | 3.48 (3.15; 3.82) | 0.005 |
| Prevotella tannerae et rel. | 2.06 (1.09; 3.04) | 1.22 (0.64; 1.81) | 0.040 | |
| Bacilli | Aerococcus | 2.87 (2.06; 3.69) | 3.36 (3.01; 3.72) | 0.165 |
| Bacillus | 3.53 (2.94; 4.11) | 3.22 (2.87; 3.57) | 0.270 | |
| Enterococcus | 3.98 (3.23; 4.72) | 4.90 (4.62; 5.18) | 0.025 | |
| Granulicatella | 2.76 (2.14; 3.38) | 3.83 (3.50; 4.16) | 0.029 | |
| Lactobacillus gasseri et rel. | 3.03 (2.54; 3.51) | 3.43 (3.01; 3.85) | 0.449 | |
| Lactobacillus plantarum et rel. | 4.43 (3.71; 5.15) | 2.38 (2.05; 2.71) | 0.000 | |
| Lactobacillus salivarius et rel. | 3.18 (2.46; 3.91) | 3.56 (3.26; 3.86) | 0.468 | |
| Lactococcus | 3.23 (2.44; 4.02) | 1.63 (0.54; 2.71) | 0.065 | |
| Staphylococcus | 3.79 (2.97; 4.61) | 3.08 (2.60; 3.56) | 0.182 | |
| Streptococcus bovis et rel. | 3.26 (2.90; 3.63) | 2.76 (2.39–3.09)** | 0.361 | |
| Streptococcus intermedius et rel. | 3.72 (3.12; 4.32) | 2.60 (1.91; 3.28) | 0.018 | |
| Streptococcus mitis et rel. | 4.25 (3.71; 4.79) | 2.95 (2.33; 3.58) | 0.006 | |
| Weissella et rel. | 2.40 (1.54; 3.25) | 2.83 (2.20; 3.47) | 0.263 | |
| Clostridium cluster I | Clostridia | 2.88 (2.18; 3.57) | 3.80 (2.93; 4.67) | 0.013 |
| Clostridium cluster IV | Clostridium leptum et rel. | 2.86 (2.36; 3.35) | 2.99 (2.52; 3.46) | 0.717 |
| Clostridium orbiscindens et rel. | 2.91 (2.36; 3.45) | 1.45 (1.09–1.72) | 0.089 | |
| Sporobacter termitidis et rel. | 3.03 (2.35; 3.71) | 3.39 (2.97; 3.82) | 0.203 | |
| Clostridium cluster IX | Veillonella | 1.08 (−0.01; 2.17) | 2.90 (1.95; 3.85) | 0.034 |
| Clostridium cluster XI | Clostridium difficile et rel. | 2.79 (2.21; 3.36) | 3.06 (2.57; 3.54) | 0.013 |
| Clostridium cluster XIVa | Anaerostipes caccae et rel. | 2.45 (1.93; 2.96) | 2.43 (2.12; 2.73) | 0.961 |
| Bryantella formatexigens et rel. | 2.29 (1.80; 2.80) | 2.16 (1.42; 2.89) | 0.985 | |
| Butyrivibrio crossotus et rel. | 2.39 (1.85; 2.94) | 1.55 (1.34–1.68)** | 0.111 | |
| Ruminococcus obeum et rel. | 2.47 (1.94; 3.00) | 1.92 (1.49; 2.34) | 0.114 | |
| Proteobacteria | Anaerobiospirillum | 2.13 (1.66; 2.61) | 3.93 (3.47; 4.40) | 0.001 |
| Aquabacterium | 2.86 (2.15; 3.58) | 0.28 (−0.86; 1.42) | 0.001 | |
| Burkholderia | 3.14 (2.27; 4.00) | 1.69 (1.15; 2.23) | 0.074 | |
| Enterobacter aerogenes et rel. | 3.69 (2.79; 4.59) | 4.78 (4.46; 5.10) | 0.096 | |
| Escherichia coli et rel. | 3.63 (2.54; 4.72) | 5.47 (5.18; 5.75) | 0.043 | |
| Haemophilus | 3.31 (2.49; 4.12) | 4.25 (4.05; 4.46) | 0.026 | |
| Klebsiella pneumoniae et rel. | 3.90 (2.88; 4.93) | 5.33 (5.06–5.38)** | 0.034 | |
| Leminorella | 2.66 (2.04; 3.29) | 3.08 (2.56; 3.60) | 0.822 | |
| Proteus et rel. | 3.05 (2.23; 3.87) | 3.89 (3.61–4.33)** | 0.259 | |
| Pseudomonas | 3.31 (2.49; 4.12) | 4.19 (3.98; 4.41) | 0.038 | |
| Serratia | 3.01 (2.18; 3.83) | 3.95 (3.74; 4.16) | 0.031 | |
| Sutterella wadsworthia et rel. | 3.57 (2.99; 4.13) | 3.38 (3.22–3.45)** | 0.864 | |
| Vibrio | 3.45 (2.55; 4.34) | 4.50 (4.37–4.52)** | 0.303 | |
| Xanthomonadaceae | 2.81 (1.93; 3.69) | 2.50 (2.04; 2.96) | 0.001 | |
| Yersinia et rel. | 3.51 (2.51; 4.50) | 4.91 (4.65; 5.18) | 0.042 |
¥
The genus-like phylogenetic groups shown contributed, at least, 0.5% to the microbial profile of a given sample.
*
Kruskal-Wallis tests.
¤
Mean (95% CI) of the log-transformed signal intensities.
**
Median (IQR) of the log-transformed signal intensities.
Significant changes in abundance of genus-like bacterial groups underlined (P values <0.05).