Skip to main content
. 2022 Feb 27;14(5):1003. doi: 10.3390/nu14051003

Table 4.

Associations of habitual dietary fiber intake with relative abundances of taxa in Chinese diabetes patients.

Phylum Class Order Family Genus Relative
Abundance (%)
Transformed
Abundance (%)
β [95%CI] with
Dietary Fiber Intake
p-Value Q-Value
At the first follow-up
All subjects (n = 325)
Firmicutes Clostridia Clostridiales Ruminococcaceae Megamonas 0.341 (0.229, 1.295) 5.847 (4.782, 11.405) −0.46 [−0.89, −0.03] 0.038 0.745
Subjects taking dietary fiber ≥ 7.2 g/day (n = 172)
Firmicutes 35.830 (24.757, 43.854) 64.173 (52.077, 72.378) −0.98 [−1.78, −0.18] 0.017 0.110
Bacteroidetes Bacteroidia Bacteroidales Bacteroidaceae Bacteroides 19.104 (9.551, 35.675) 45.235 (31.419, 64.011) 1.36 [0.26, 2.46] 0.017 0.393
Firmicutes Clostridia Clostridiales Ruminococcaceae (Unknown) 0.738 (0.279, 2.318) 8.599 (5.281, 15.283) −0.43 [−0.79, −0.06] 0.023 0.441
Proteobacteria Deltaproteobacteria Desulfovibrionales Desulfovibrionaceae Desulfovibrio 0.037 (0.021, 0.202) 1.928 (1.433, 4.492) −0.32 [−0.59, −0.04] 0.024 0.441
Dietary fiber intake: ≥7.2 g/day (n = 172) versus <7.2 g/day (n = 153)
Fusobacteria 0.162 (0.097, 0.405) 4.026 (3.111, 6.368) −3.27 [−5.68, −0.87] 0.008 0.103
At the second follow-up
All subjects (n = 301)
Firmicutes Clostridia Clostridiales Ruminococcaceae (Unknown) 0.644 (0.276, 1.780) 8.035 (5.257, 13.381) −0.15 [−0.27, −0.03] 0.014 0.448
Dietary fiber intake: ≥7.2 g/day (n = 149) versus <7.2 g/day (n = 152)
Actinobacteria Coriobacteriia Coriobacteriales Coriobacteriaceae Adlercreutzia 0.001 (0.000, 0.006) 0.354 (0.000, 0.774) −0.23 [−0.39, −0.08] 0.003 0.139
Bacteroidetes Bacteroidia Bacteroidales Bacteroidaceae Bacteroides 25.017 (8.147, 41.863) 52.380 (28.945, 70.367) 7.19 [1.43, 12.94] 0.015 0.249
Bacteroidetes Bacteroidia Bacteroidales Prevotellaceae Prevotella 2.865 (1.857, 34.708) 17.008 (13.671, 62.999) −10.95 [−18.40, −3.50] 0.004 0.139
Firmicutes Clostridia Clostridiales Ruminococcaceae Ruminococcus 0.272 (0.108, 0.905) 5.215 (3.287, 9.525) −2.05 [−3.32, −0.78] 0.002 0.139
Firmicutes Clostridia Clostridiales Ruminococcaceae (Unknown) 0.644 (0.276, 1.780) 8.035 (5.257, 13.381) −1.43 [−2.86, −0.01] 0.050 0.330
Proteobacteria Deltaproteobacteria Desulfovibrionales Desulfovibrionaceae Desulfovibrio 0.041 (0.021, 0.188) 2.019 (1.441, 4.341) −1.81 [−3.07, −0.54] 0.005 0.139
Longitudinal analysis
Higher-higher (n = 82) versus Lower-lower (n = 80)
Firmicutes Clostridia Clostridiales Ruminococcaceae Megamonas 0.354 (0.237, 0.870) 5.953 (4.874, 9.340) −4.42 [−8.33, −0.51] 0.027 0.347
Proteobacteria Deltaproteobacteria Desulfovibrionales Desulfovibrionaceae Desulfovibrio 0.041 (0.021, 0.198) 2.037 (1.454, 4.455) −2.10 [−3.71, −0.49] 0.011 0.319

All taxa listed with p-values less than 0.05; abundance of taxa presented as median (IQR); β coefficients [95%CI] for transformed abundance of taxa with per unit dietary fiber intake (g/day) or as the higher (≥7.2 g/day) versus the lower dietary fiber intake (<7.2 g/day), and adjusted for age, sex, education level, duration of diabetes, intervention status in parent trial, physical activity level, energy intake, fat intake, use of anti-diabetes agents and NSAIDs within six months before stool collection.