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Table 2 Baseline Characteristics of Participants According to Body Mass Index Categories and Sex

From: Chronic kidney disease among overweight and obesity with and without metabolic syndrome in an urban Chinese cohort

Characteristic

Male

Female

Normal Weight

Overweight

Obese

Normal Weight

Overweight

Obese

Participants, No.

1432

1876

396

2432

632

84

Age, median (IQR), y

40 (32–53)

48 (38–56)

46 (39–55)

39 (33–45)

47 (39–53)

48 (44–53)

BMI, median (IQR), Kg/m2

22.4 (21.0–23.2)

25.7 (24.8–26.7)

29.1 (28.4–30.0)

20.9 (19.7–22.2)

25.4 (24.6–26.4)

29.7 (28.6–31.6)

Waist circumference, median (IQR), cm

78 (76–81)

82 (78–86)

88 (80–94)

71 (66–80)

80 (77–82)

84 (80–87)

Systolic BP, median (IQR), mm Hg

120 (114–130)

126 (118–138)

130 (120–142)

108 (100–118)

120 (114–134)

124 (112–138)

Diastolic BP, median (IQR), mm Hg

74 (66–82)

80 (74–88)

82 (76–90)

68 (60–74)

76 (68–82)

84 (74–88)

Antihypertensive, %

3.4

9.6

18.2

1.1

6.3

23.8

Antidiabetes, %

3.1

3.0

1.0

0.5

1.3

0

Lipid-lowering

3.8

8.1

10.2

1.3

5.2

5.8

TC, median (IQR), mmol/L

4.5 (4.0–5.1)

4.7 (4.2–5.3)

5.0 (4.3–5.4)

4.4 (3.9–4.8)

4.6 (4.1–5.3)

4.9 (4.3–5.2)

LDL-c, median (IQR), mmol/L

2.5 (2.0–3.0)

2.6 (2.1–3.1)

2.6 (2.0–3.0)

2.3 (1.9–2.7)

2.7 (2.1–3.2)

2.5 (2.1–3.0)

HDL-c, median (IQR), mmol/L

1.3 (1.2–1.5)

1.2 (1.0–1.4)

1.1 (1.0–1.3)

1.6 (1.4–1.8)

1.4 (1.2–1.6)

1.4 (1.2–1.7)

Triglycerides, median (IQR), mmol/L

1.2 (0.9–1.8)

1.7 (1.2–2.4)

2.3 (1.6–2.9)

0.9 (0.7–1.1)

1.3 (0.9–1.7)

1.6 (1.2–1.8)

Glucose, median (IQR), mmol/L

4.7 (4.4–5.1)

4.9 (4.6–5.3)

5.1 (4.7–5.6)

4.7 (4.4–5.0)

4.9 (4.5–5.3)

5.1 (4.8–5.4)

eGFR, median (IQR), mL/min/1.73 m2

79 (72–91)

77 (70–87)

78 (71–86)

119 (102–139)

114 (98–133)

121 (93–129)

Current smokers, %

36.9

36.9

33.3

0.3

0

0

Physical inactivity, %

46.9

48.5

50.1

38.1

55.1

61.3

  1. Abbreviations: BMI body mass index, IQR interquartile range, BP blood pressure, TC total cholesterol, LDL-c Low-density lipoprotein cholesterol, HDL-c high-density lipoprotein cholesterol