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Table 1 The characteristics of the participants in the study and associations with dysbiosis

From: Separating “good” from “bad” faecal dysbiosis – evidence from two cross-sectional studies

Participants’ characteristicsa

Dysbiosis

Dysbiosis

Association with DI b

Association with ADI b

Yes (no 59)

No (31)

p-values

  

Gender (female/male)

49 (83%) / 10 (17%)

27 (87%) / 4 (13%)

0.76 (1)

2.9 (1.3) / 3.4 (1.5); p = 0.17 (2)

−0.9 (2.8) / −0.5 (2.7); p = 0.66 (2)

Age (years)

44.0 (8.6)

46.0 (8.6)

0.31 (2)

r = −0.078; p = 0.47

r = −0.375; p < 0.001

Body weight (kg)

120.5 (15.2)

122.1 (18.3)

0.66(2)

r = −0.064; p = 0.55

r = 0.009; p = 0.93

BMI (kg/m2)

42.1 (3.7)

41.2 (3.2)

0.30 (2)

r = 0.022; p = 0.84

r = −0.186; p = 0.08

Smoking (never/previously /daily)

19 (32%) / 31 (53%) / 9 (15%)

17 (55%) / 12 (39%) / 2 (6%)

0.046 (3)

r = 0.195; p = 0.07

r = −0.230; p = 0.030

Coffee (cups/day)

2.6 (2.3)

3.5 (2.4)

0.08 (2)

rho = −0.240; p = 0.026

rho = 0.163; p = 0.13

Food intolerance (65)

33/43 (77%)

17/22 (77%)

1.00 (1)

3.0 (1.3) / 3.0 (1.5); p = 0.95 (2)

−1.1 (2.5) / −1.7 (3.0); p = 0.45 (2)

Diabetes (87)

18/56 (32%)

2/31 (7%)

0.007 (1)

3.7 (1.1) / 2.8 (1.3); p = 0.005(2)

0.5 (3.3) / −1.1 (2.5); p = 0.057 (2)

Hypothyreosis (86)

7/56 (13%)

3/30 (10%)

1.00 (1)

3.5 (1.3) / 2.9 (1.3); p = 0.19 (2)

−0.1 (2.8) / −0.8 (2.8); p = 0.46 (2)

IBS (88)

17/59 (29%)

8/29 (28%

1.00 (1)

3.1 (1.3) / 3.0 (1.4); p = 0.60

−1.6 (2.8) / −0.4 (2.7); p = 0.063 (2)

IBSSS (86)

120 (0–389)

99 (0–339)

0.43 (4)

rho = 0.110; p = 0.31

rho = −0.304; p = 0.004

Metformin

15/59 (25%)

1/31 (3%)

0.009 (1)

3.9 (1.0) / 2.8 (1.3); p = 0.002(2)

1.1 (3.1) / −1.2 (2.5); p = 0.002(2)

Thyroxin (89)

5 / 59 (9%)

2/30 (7%)

1.00 (1)

3.6 (1.3) / 2.9 (1.3); p = 0.23 (2)

0.1 (2.9) / −0.9 (2.8); p = 0.33 (2)

Statins (88)

8 / 58 (14%)

5 / 13 (17%)

0.76 (1)

2.5 (1.3) / 3.1 (1.3); p = 0.19 (2)

−0.3 (2.3) / −0.9 (2.8); p = 0.47 (2)

CRP (88)

6 (0–27)

5 (1–28)

0.34 (4)

rho = 0.076; p = 0.48

rho = −0.034; p = 0.75

Zonulin (ng/ml) (85)

71 (36)

60 (30)

0.14 (2)

r = 0.179; p = 0.10

r = −0.125; p = 0.25

Total energy (kJ)

10,387 (3875)

10,777 (4324)

0.66 (2)

r = −0.044; p = 0.68

r = −0.236; p = 0.025

Water (unit)

44 (21)

42 (19)

0.65 (2)

r = 0.030; p = 0.78

r = −0.251; p = 0.017

Carb. beverages w/ sugar (unitc)

0.0 (0–7.9)

0 (0–2.6)

0.99 (4)

rho = −0.016; p = 0.89

rho = −0.220; p = 0.037

Total NNS (unitc)

4.9 (0–43)

1 (0–22)

0.002 (4)

rho = 0.387; p < 0.001

rho = −0.353; p = 0.001

Carb. beverages w/NNS (unitc)

1.1 (0–40)

0 (0–20)

0.002 (4)

rho = 0.378; p < 0.001

rho = −0.268; p = 0.011

Non-carb. Beverages w/NNS (unitc)

0.4 (0–32)

0 (0–8)

0.026 (4)

rho = 0.270; p = 0.010

rho = −0.240; p = 0.023

Coffee/tea w/NNS (unitc)

0.0 (0–27)

0 (0–14)

0.73 (4)

rho = −0.047; p = 0.66

rho = −0.151; p = 0.16

Protein (g/day)

110 (36)

110 (36)

0.94 (2)

rho = −0.053; p = 0.62

rho = −0.156; p = 0.14

Fat (g/day)

95 (42)

103 (56)

0.45 (2)

rho = −0.048; p = 0.66

rho = −0.235; p = 0.026

Carbohydrates (g/day)

273 (119)

280 (150)

0.80 (2)

rho = 0.016; p = 0.88

rho = −0.200; p = 0.058

Starch (g/day)

133 (54)

131 (46)

0.83 (2)

rho = 0.035; p = 0.74

rho = −0.263; p = 0.012

Sugar (g/day)

25 (1–268)

32 (5–632)

0.99

rho = 0.012; p = 0.91

rho = −0.221; p = 0.037

  1. DI Dysbiosis Index, ADI Alternative Dysbiosis Index, NNS Non-Nutritive Sweeteners. The results are given as mean (SD); median (range); number (%). aThe number of subjects is given in brackets if less than 90. bThe order of the results are yes/no.c One unit is 100 ml beverages with NNS or 2 tablets NNS for coffee/tea
  2. (1): Fisher’s exact test; (2) t-test; (3) chi-square, linear-by-linear; (4) Exact Mann-Whitney; rho: Spearman’s rho; r = Pearson Correlation test
  3. Italicized p-values are statistically significant