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Table 1 Age- and sex- standardized characteristics of participants by central obesity and gallstone disease status

From: Cholecystectomy versus central obesity or insulin resistance in relation to the risk of nonalcoholic fatty liver disease: the third US National Health and Nutrition Examination Survey

 

No central obesity

Central obesity

No gallstone disease

(N = 4917)

Gallstones

(N = 324)

Cholecystectomy

(N = 184)

No gallstone disease

(N = 3443)

Gallstones

(N = 618)

Cholecystectomy

(N = 588)

Women (%)

42.8 ± 1.5

51.5 ± 3.8

73.3 ± 5.0*£

59.3 ± 1.4*

69.3 ± 3.1*$

77.9 ± 2.8*#

Race ethnicity (%)

Non-Hispanic white

86.6 ± 1.5

92.2 ± 2.4

89.7 ± 3.3

82.4 ± 1.6

84.9 ± 2.1

84.1 ± 2.6

Non-Hispanic black

6.1 ± 0.9

3.0 ± 1.2

4.9 ± 1.6

11.2 ± 1.0*

7.4 ± 1.1$#

4.0 ± 1.0#&

Mexican American

1.0 ± 0.3

1.7 ± 0.5

3.0 ± 1.0

2.6 ± 0.3*

4.3 ± 0.7*$

4.4 ± 0.7*

Smoking (%)

59.5 ± 2.9

64.4 ± 4.5

63.5 ± 4.7

60.4 ± 2.0

53.8 ± 3.1

55.9 ± 3.2

Age (years)

65.6 ± 0.2

66.9 ± 0.4*

66.8 ± 0.5

66.6 ± 0.2*

67.6 ± 0.3*

68.3 ± 0.3*#

Education (years)

12.0 ± 0.2

11.7 ± 0.3

11.6 ± 0.3

11.4 ± 0.2*

11.5 ± 0.2

10.6 ± 0.2*#+&

Body mass index (kg/m2)

22.3 ± 0.1

22.4 ± 0.2

23.0 ± 0.3

30.3 ± 0.2*

30.9 ± 0.4*$

32.3 ± 0.5*#+

Waist circumference (cm)

85.0 ± 0.3

85.2 ± 0.7

83.4 ± 0.9

105.5 ± 0.4*

106.4 ± 0.8*$

108.0 ± 1.0*+

SBP (mmHg)

132.6 ± 0.4

133.2 ± 1.2

130.4 ± 1.7

137.8 ± 0.5*

139.0 ± 1.0*$

140.1 ± 0.9*+

DBP (mmHg)

73.0 ± 0.3

71.5 ± 0.7

70.2 ± 1.0*

76.8 ± 0.3*

76.5 ± 0.6*$

75.4 ± 0.6*+

Plasma glucose (mmol/l)

5.5 ± 0.1

5.6 ± 0.1

5.5 ± 0.1

6.0 ± 0.1*

6.1 ± 0.1*

6.4 ± 0.2*+

Total cholesterol (mmol/l)

5.7 ± 0.0

5.5 ± 0.1

5.6 ± 0.1

6.0 ± 0.0*

5.9 ± 0.1*$

6.0 ± 0.1*+

¥Ln Triglycerides (mmol/l)

0.3 ± 0.0

0.3 ± 0.1

0.3 ± 0.1

0.6 ± 0.0*

0.6 ± 0.1*$

0.7 ± 0.1*+

LDL-cholesterol (mmol/l)

3.6 ± 0.1

3.4 ± 0.1

3.4 ± 0.1

3.9 ± 0.0*

3.7 ± 0.1

3.7 ± 0.1

HDL-cholesterol (mmol/l)

1.4 ± 0.0

1.4 ± 0.0

1.4 ± 0.1

1.3 ± 0.0*

1.3 ± 0.0*

1.3 ± 0.0*

¥Ln Insulin (pmol/l)

3.8 ± 0.0

3.8 ± 0.1

3.8 ± 0.1

4.3 ± 0.0*

4.4 ± 0.0*$

4.5 ± 0.1*#+

¥Ln HOMA-IR

0.6 ± 0.0

0.7 ± 0.1

0.6 ± 0.1

1.2 ± 0.1*

1.3 ± 0.1*$

1.4 ± 0.1*#+

  1. Characteristics were age and sex standardized to the 2000 US population distribution. Mean age and % women were not standardized
  2. Data are means±SEs or percentages. ¥Measured in non-diagnosed diabetics who were examined in the morning after an overnight fast
  3. SBP systolic blood pressure, DBP diastolic blood pressure, HOMA-IR Homeostasis model assessment of insulin resistance
  4. *P < 0.0056 compared with the group without central obesity and without gallstone disease; #P < 0.0056 compared with the group with central obesity but without gallstone disease; $P < 0.0056 compared with the group without central obesity but with gallstones; †P < 0.0056 compared with the group without central obesity but with cholecystectomy; £P < 0.0056 compared with the group without central obesity but with gallstones
  5. &P < 0.0056 compared with the group with central obesity and with gallstones
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BMC Endocrine Disorders

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