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Table 2 Subjects’ demographics, characteristics and microbe microbiota data by group

From: Correlation of intestinal microbiota with overweight and obesity in Kazakh school children

Variables Total Normal group Overweight group Obesity group P-values
  (n = 175) (n = 91) (n = 62) (n = 22)  
Age (y) 9.87 ± 1.97 9.92 ± 1.98 9.65 ± 1.87 10.32 ± 2.19 0.368
Sex      0.906
 Boys 87 (49.7) 45 (49.5) 30 (48.4) 12 (54.5)  
 Girls 88 (50.3) 46 (50.5) 32 (51.6) 10 (45.5)  
BMI, Kg/m2 18.87 ± 3.45 16.53 ± 1.69 20.14 ± 1.83 24.94 ± 3.11†‡ <0.001*
SBP, mmHg 97.66 ± 14.93 94.06 ± 12.68 98.34 ± 13.21 110.64 ± 20.45†‡ <0.001*
DBP, mmHg 62.16 ± 9.15 60.38 ± 8.1 63.07 ± 9.15 66.93 ± 11.39 0.005*
Waist, cm 63 ± 8.7 58.27 ± 4.91 65.08 ± 6.75 76.72 ± 9.22†‡ <0.001*
Hip, cm 74.48 ± 9.98 70.26 ± 6.65 76.04 ± 8.7 87.52 ± 12.41†‡ <0.001*
FPG, mmol/L 4.81 ± 0.84 4.88 ± 1.03 4.73 ± 0.57 4.8 ± 0.61 0.569
Triglyceride, mmol/L 1.21 ± 0.53 1.14 ± 0.47 1.27 ± 0.58 1.36 ± 0.55 0.194
Cholesterol, mmol/L 3.67 ± 0.71 3.73 ± 0.71 3.65 ± 0.68 3.52 ± 0.81 0.424
HDL, mmol/L 1.38 ± 0.51 1.35 ± 0.48 1.38 ± 0.56 1.53 ± 0.46 0.206
LDL, mmol/L 1.58 ± 0.43 1.57 ± 0.45 1.58 ± 0.37 1.62 ± 0.48 0.885
Insulin, mmol/L 6.55 ± 3.74 6.1 ± 3.47 6.21 ± 3.28 9.29 ± 4.86 0.006*
HOMA-IR 1.42 ± 0.87 1.34 ± 0.83 1.33 ± 0.76 1.99 ± 1.14†‡ 0.016*
Bacteroidetes × 107copies/μL 1.31 ± 1.94 1.5 ± 2.2 1.37 ± 1.77 0.33 ± 0.47 0.002*
Firmicutes × 107copies/μL 2.58 ± 4.52 2.43 ± 4.53 2.05 ± 3.01 4.7 ± 7.01 0.628
Bact/Firm 0.98 ± 0.71 1.06 ± 0.62 1.03 ± 0.82 0.48 ± 0.52†‡ <0.001*
  1. (N = 175).
  2. Data were presented as mean ± SD for continuous data and n(%) for categorical data.
  3. Abbreviations: BMI, body mass index; SBP, systolic blood pressure; DBP, diastolic blood pressure; FPG, fasting plasma glucose; HDL, high density lipoprotein; LDL, low density lipoprotein; Bact/Firm, ratio of Bacteroidetes to Firmicutes.
  4. *P < 0.05, indicated significant differences among groups.
  5. †,‡P < 0.0167, indicated significant differences as compared with the normal and overweight groups.