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Table 1 General characteristics of the study population according to IR positive and IR negative

From: Elevated triglyceride-to-HDL cholesterol ratio is an indicator for insulin resistance in middle-aged and elderly Taiwanese population: a cross-sectional study

Variables

Insulin Resistance

Total

IR positive

IR negative

 

(n = 398)

(n = 123)

(≧2)

(n = 275)

(< 2)

p-value

Age (year)

64.43

±8.45

64.59

±7.86

64.36

±8.71

0.80

SBP (mmHg)

129.57

±16.72

133.97

±16.49

127.60

±16.47

< 0.001

DBP (mmHg)

76.94

±11.36

78.91

±10.66

76.06

±11.57

0.02

BMI (kg/m2)

24.54

±3.57

26.43

±3.69

23.70

±3.18

< 0.001

Waist circumference (cm)

84.99

±9.62

90.51

±9.86

82.53

±8.43

< 0.001

ALT (U/L)

22.66

±12.97

27.28

±17.01

20.60

±10.06

< 0.001

Creatinine (mg/dL)

0.77

±0.42

0.78

±0.33

0.77

±0.45

0.88

eGFR (ml/min/1.73m2)

113.25

±33.21

109.95

±31.90

114.73

±33.73

0.19

FPG (mg/dL)

95.54

±22.32

110.06

±31.81

89.05

±11.59

< 0.001

HDL-C (mg/dL)

54.51

±13.91

48.68

±11.37

57.12

±14.17

< 0.001

HOMA-IR index

1.86

±1.39

3.39

±1.58

1.18

±0.44

< 0.001

LDL-C (mg/dL)

118.47

±32.16

112.11

±29.83

121.31

±32.80

0.01

Total Cholesterol (mg/dL)

197.19

±35.69

191.46

±34.08

119.75

±36.16

0.03

TG/HDL

2.52

±1.83

3.48

±2.32

2.09

±1.37

< 0.001

Triglyceride (mg/dL)

121.20

±62.93

153.46

±76.04

106.77

±49.88

< 0.001

Uric Acid (mg/dL)

5.74

±1.41

6.10

±1.36

5.58

±1.41

0.001

WBC (1000/uL)

6.04

±1.59

6.71

±1.79

5.74

±1.39

< 0.001

Men, n(%)

139

(34.9)

41

(33.3)

98

(35.6)

0.66

Current smoking, n(%)

42

(10.6)

12

(9.8)

30

(10.9)

0.73

Alcohol drinking ≧2 times/week, n(%)

75

(18.8)

17

(13.8)

58

(21.1)

0.09

Regular exercise, n(%)

326

(81.9)

92

(74.8)

234

(85.1)

0.01

Vegetarian, n(%)

22

(5.5)

5

(4.1)

17

(6.2)

0.39

ACR ≧30 mg/g, n(%)

74

(18.6)

31

(25.2)

43

(15.6)

0.02

HTN, n(%)

199

(50.0)

84

(68.3)

115

(41.8)

< 0.001

DM, n(%)

77

(19.3)

48

(39.0)

29

(10.5)

< 0.001

Hyperlipidemia, n(%)

259

(65.1)

93

(75.6)

166

(60.4)

0.003

Metabolic syndrome

141

(35.4)

89

(72.4)

52

(18.9)

< 0.001

  1. Notes: Clinical characteristics are expressed as mean ± SD for continuous variables and n (%) for categorical variables. P-value were derived from independent two-sample t-test for continuous variables and chi-square test for categorical variables
  2. Abbreviations: SBP systolic blood pressure; DBP diastolic blood pressure; BMI body mass index; eGFR estimated glomerular filtration rate; FPG fasting plasma glucose; HDL-C high-density lipoprotein cholesterol; LDL-C low-density lipoprotein cholesterol; WBC white blood cell count; ACR albumin to creatinine ratio; HTN hypertension; DM diabetes mellitus
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Lipids in Health and Disease

ISSN: 1476-511X