Table 1 Baseline characteristics of subjects according to body mass index categories and presence or absence of metabolic syndrome.

From: Relationship between obesity and development of erosive reflux disease: A mediation analysis of the role of cardiometabolic risk factors

 

Normal weight

Overweight

Obese

No MS

MS

No MS

MS

No MS

MS

Patients, No.

3565

110

2974

350

3387

1300

Age, median (IQR)

48 (43–54)

56 (49–62)

51 (46–57)

56 (50–62)

50 (46–56)

52 (47–59)

Male, %

35.1

32.7

65.4

47.1

79.6

75.2

BMI, median (IQR)

21 (20–22)

22 (21–22)

24 (23–24)

24 (23–24)

26 (25–27)

27 (26–29)

Waist circumference, median (IQR), cm

74 (70–79)

80 (76–83)

83 (79–86)

84 (81–87)

89 (86–93)

94 (88–98)

BP, median (IQR), mm Hg

 Systolic BP

108 (100–118)

125 (114–136)

113 (104–124)

125 (112–135)

117 (107–126)

126 (113–135)

 Diastolic BP

67 (60–74)

76 (66–83)

70 (63–78)

75 (68–82)

72 (65–80)

78 (70–85)

Medication use, %

 Antihypertensive

9.3

44.6

17.5

44.9

21.6

52.3

 Antiglycemic

2.9

27.3

3.8

18.3

3.7

16.2

 Aspirin

6.1

20.9

11.7

20.9

12.6

21.8

Plasma levels, median (IQR)

 Total cholesterol, mg/dL

187 (166–208)

193 (166–215)

192 (172–215)

195 (168–219

193 (171–214)

196 (172–221)

 Low-density lipoprotein

115 (98–135)

120 (100–145)

124 (107–145)

124 (103–146

127 (108–146)

126 (105–147)

 High-density lipoprotein

62 (53–73)

45 (39–53)

56 (48–65)

45 (38–52)

52 (46–61)

44 (38–52)

 Triglycerides, mg/dL

84 (66–114)

181 (147–220)

105 (77–141)

184 (153–240)

117 (88–150)

186 (150–252)

 Glucose, mg/dL

86 (81–93)

104 (93–118)

89 (83–95)

103 (94–114)

90 (84–97)

103 (93–116)

 HbA1c

5.2 (5.0–5.5)

5.8 (5.4–6.8)

5.3 (5.1–5.6)

5.7 (5.4–6.2)

5.4 (5.1–5.7)

5.7 (5.4–6.3)

Diabetes mellitus, %

4.2

37.3

5.6

24.3

5.1

20.8

Hypertension, %

9.6

47.3

18.5

48.0

22.5

55.6

Dyslipidemia, %

10.7

33.6

17.3

30.0

19.2

31.8

Smoking behavior, %

 None

71.6

66

49.6

58.9

38.7

38.2

 Former

16.1

20.8

32.7

24.6

39.9

37.6

 Current

12.4

13.2

17.8

16.4

21.4

24.3

Physical exercise, %

81.4

86.5

89.3

90.3

88.6

84.8