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Table 1 Participant characteristics

From: Weight loss after Roux-En-Y gastric bypass surgery reveals skeletal muscle DNA methylation changes

 

Lean

Pre-surgery obese

Post-surgery obese

P value

versus Lean Pre

P value

Pre versus Post

P value

Lean versus Post

Sex

Four female

Seven female

   

Age (years)

38.5 ± 5.8

45.1 ± 3.6

45.3 ± 3.5

NS

NS

NS

Body mass index (kg/m2)

23.2 ± 0.9

42.1 ± 2.2

35.3 ± 1.8

< 0.001

< 0.001

< 0.01

Body fat (%)

30.3 ± 1.0

46.4 ± 1.2

40.6 ± 1.3

< 0.00001

< 0.01

< 0.001

Waist circumference (cm)

83.5 ± 3.2

122.7 ± 6.3

109.4 ± 109.4

< 0.01

< 0.0001

< 0.05

Systolic blood pressure (mmHg)

102.3 ± 12.6

125.1 ± 3.9

119.1 ± 4.6

NS

NS

NS

Diastolic blood pressure (mmHg)

59.8 ± 13.3

71.7 ± 2.0

75.1 ± 1.7

NS

NS

NS

Triglycerides (mg/dL)

92.8 ± 7.8

121.9 ± 17.5

107.7 ± 11.2

NS

NS

NS

Cholesterol (mg/dL)

202.3 ± 11.4

181.4 ± 13.2

151.5 ± 11.2

NS

< 0.01

< 0.05

High-density lipoprotein (mg/dL)

63.0 ± 9.0

45.0 ± 2.7

45.0 ± 2.5

< 0.05

NS

< 0.05

Low-density lipoprotein (mg/dL)

120.8 ± 7.6

112.1 ± 11.9

84.8 ± 10.5

NS

< 0.01

< 0.05

Hemoglobin A1c %

5.3 ± 0.1

6.0 ± 0.2

5.7 ± 0.1

< 0.05

NS

< 0.05

Fasting plasma glucose (mg/dL)

87.2 ± 3.1

104.2 ± 7.8

86.7 ± 3.1

NS

< 0.05

NS

Fasting serum insulin (uIU/mL)

7.9 ± 4.2

18.2 ± 2.7

7.5 ± 1.0

< 0.01

< 0.01

NS

M-value (mg/kg/min)

6.7 ± 0.7

2.4 ± 0.3

2.9 ± 0.4

< 0.001

NS

< 0.001

  1. Data are mean ± SEM