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Table 3 Percentages and adjusted ORs (95% CI) for MetS and its related components for comparison of the three highest sdLDL-c quartiles with the first quartile

From: Small dense LDL cholesterol is associated with metabolic syndrome traits independently of obesity and inflammation

Variables

Quartile of serum sdLDL-c, mmol/L

P for trend

Q1 (< 0.73)

n = 265

Q2 (0.73–1.03) n = 267

Q3 (1.03–1.31)

n = 267

Q4 (≥1.31)

n = 266

High waist circumference (%)

20.5

30.0

34.1

40.6

< 0.001

Model 1

reference

1.44 (0.96,2.16)

1.59 (1.06,2.38)

2.05 (1.37,3.06)

0.006

Model 2a

reference

1.32 (0.79,2.22)

1.46 (0.88,2.44)

1.67 (1.00,2.77)

0.254

High TG (%)

4.2

32.6

58.4

78.2

< 0.001

Model 1

reference

11.16 (5.77,21.61)

32.97 (17.01,63.88)

85.09 (42.97,168.48)

< 0.001

Model 2

reference

8.91 (4.88,16.24)

27.30 (14.93,49.93)

65.93 (35.26,123.29)

< 0.001

Low HDL-c (%)

14.8

23.6

24.0

15.8

0.006

Model 1

reference

1.85 (1.18,2.90)

1.88 (1.19,2.97)

1.13 (0.69,1.84)

0.006

Model 2

reference

1.70 (1.10,2.64)

1.520.96,2.38)

1.03 (0.64,1.65)

0.027

High BP (%)

51.1

64.8

62.9

67.7

0.001

Model 1

reference

1.54 (1.08,2.21)

1.29 (0.90,1.85)

1.57 (1.08,2.27)

0.055

Model 2

reference

1.49 (1.03,2.17)

1.48 (1.03,2.13)

1.15 (0.79,1.67)

0.158

High FPG (%)

17.0

19.5

25.8

26.7

0.016

Model 1

reference

1.03 (0.65,1.61)

1.40 (0.90,2.16)

1.41 (0.90,2.15)

0.235

Model 2a

reference

1.07 (0.69,1.66)

1.32 (0.86,2.02)

1.34 (0.87,2.06)

0.434

High hsCRP (%)

9.1

10.5

16.5

13.9

0.043

Model 1

reference

1.05 (0.59,1.88)

1.69 (0.98,2.91)

1.69 (0.98,2.91)

0.171

Model 2a

reference

1.10 (0.62,1.93)

1.62 (0.93,2.75)

1.44 (0.83,2.49)

0.259

Metabolic

syndrome (%)

7.2

25.8

34.1

44.0

< 0.001

Model 1

reference

4.06 (2.35,7.01)

5.56 (3.24,9.52)

8.46 (4.96,14.44)

< 0.001

Model 2

reference

4.47 (2.41,8.28)

5.47 (2.97,10.07)

8.39

(4.58,15.38)

< 0.001

  1. ORs were estimated from Logistic regression models; Model 1 was adjustment for age, smoking, drinking and physical activity; Model 2 was additionally adjustment for FPG, hsCRP, BMI, and waist circumference based on model 1; Percentages shown in the table were unadjusted results; aThe variable used in the direct definition of the outcome variable (FPG, waist circumference or hsCRP) was excluded from the adjustment variables