Table 2 Microbial taxa significantly different across the four groups of children

From: Pre-obese children’s dysbiotic gut microbiome and unhealthy diets may predict the development of obesity

Differences between normal weight children at T1
Taxon	Level	Mean T1_N	SEM T1_N	Mean T1_O	SEM T1_O	p
Cyanobacteria	Phylum	0.19	0.07	0.14	0.07	0.05
S24-7	Family	0.7	0.25	0.11	0.08	0.05
Slackia	Genus	0.05	0.01	0.03	0.01	0.008
[Prevotella]	Genus	0.3	0.18	0	0	0.05
Lactococcus	Genus	0.12	0.04	0.1	0.07	0.04
Differences between normal weight children at T1 and T3
Taxon	Level	Mean T1_N	SEM T1_N	Mean T3_N	SEM T3_N	p
Proteobacteria	Phylum	1.51	0.19	1.08	0.11	0.04
Tenericutes	Phylum	0.6	0.18	0.18	0.08	0.03
[Mogibacteriaceae]	Family	0.14	0.02	0.18	0.02	0.03
Enterobacteriaceae	Family	0.32	0.17	0.04	0.02	0.01
Catenibacterium	Genus	0.07	0.04	0.23	0.1	0.04
Differences between children before and after the onset of obesity
Taxon	Level	Mean T1_O	SEM T1_O	Mean T3_O	SEM T3_O	p
Proteobacteria	Phylum	1.1	0.13	1.56	0.24	0.02
Lactobacillaceae	Family	0.2	0.13	0.11	0.07	0.02
Clostridiaceae	Family	1.5	0.2	1.14	0.17	0.03
Ruminococcaceae	Family	24.82	1.16	21.55	0.98	0.02
Alcaligenaceae	Family	0.66	0.09	0.86	0.09	0.03
Ruminococcus	Genus	5.92	0.86	3.88	0.47	0.05
Sutterella	Genus	0.66	0.09	0.86	0.09	0.03
Differences between normal weight and obese children at T3
Taxon	Level	Mean T3_N	SEM T3_N	Mean T3_O	SEM T3_O	p
Bacteroidaceae	Family	15.76	1.86	19.62	1.68	0.03
Prevotellaceae	Family	6.16	1.45	5.23	1.74	0.02
Christensenellaceae	Family	0.49	0.11	0.29	0.10	0.05
[Mogibacteriaceae]	Family	0.18	0.02	0.11	0.02	0.001
[Tissierellaceae]	Family	0.02	0	0.01	0	0.04
[Cerasicoccaceae]	Family	0.10	0.06	0	0	0.002
Slackia	Genus	0.05	0.01	0.02	0.01	0.008
Bacteroides	Genus	15.76	1.86	19.62	1.68	0.03
Prevotella	Genus	6.16	1.45	5.23	1.74	0.02
[Prevotella]	Genus	0.26	0.12	0.03	0.03	0.02
Lachnospira	Genus	0.74	0.10	1.44	0.21	0.02
Roseburia	Genus	0.13	0.02	0.23	0.04	0.03
Oscillospira	Genus	0.80	0.05	0.66	0.05	0.04

Only taxa found in at least 20% of the samples were considered. Differences in relative abundance were assessed by Wilcoxon test, paired or unpaired as needed

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Table 2 Microbial taxa significantly different across the four groups of children

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