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Table 2 Baseline characteristics of the study population according to the TG/HDL-C categories among normoglycemic† women

From: Association of triglycerides to high-density lipoprotein cholesterol ratio to identify future prediabetes and type 2 diabetes mellitus: over one-decade follow-up in the Iranian population

Variables

First

(N = 705)

Second

(N = 704)

Third

(N = 704)

Forth

(N = 704)

P Value

TG/HDL-C < 0.77

0.77 ≤ TG/HDL-C < 1.19

1.19 ≤ TG/HDL-C < 1.84

TG/HDL-C ≥ 1.84

Age (years)

34.35 ± 12.0

38.27 ± 13.0

40.95 ± 13.1

44.25 ± 12.2

 < 0.001

BMI (kg/m2)

24.62 ± 4.1

26.66 ± 4.6

27.96 ± 4.4

29.63 ± 4.3

 < 0.001

WC (cm)

79.13 ± 10.4

84.45 ± 11.6

88.92 ± 11.4

93.51 ± 10.6

 < 0.001

Height (cm)

157.7 ± 5.90

157.10 ± 6.00

156.6 ± 6.00

155.91 ± 5.96

 < 0.001

Waist/Height

0.50 ± 0.07

0.54 ± 0.08

0.57 ± 0.08

0.60 ± 0.07

 < 0.001

Wrist circumference (cm)

15.36 ± 0.92

15.70 ± 0.94

15.96 ± 0.95

16.30 ± 1.00

 < 0.001

SBP (mmHg)

105.2 ± 12.7

107.48 ± 14.4

112.12 ± 16.8

115.11 ± 16.8

 < 0.001

DBP (mmHg)

68.90 ± 0.36

70.73 ± 9.11

73.46 ± 9.60

75.90 ± 9.80

 < 0.001

FPG (mmol/L)

4.69 ± 0.36

4.78 ± 0.34

4.81 ± 0.36

4.87 ± 0.36

 < 0.001

2 h-PCG (mmol/L)

5.16 ± 1.0

5.40 ± 1.00

5.62 ± 1.00

5.96 ± 0.96

 < 0.001

TC (mmol/L)

4.36 ± 0.88

4.73 ± 0.97

5.00 ± 1.00

5.27 ± 1.10

 < 0.001

TG (mmol/L)

0.71 (0.60–0.85)

1.08 (0.95–1.22)

1.47 (1.28–1.71)

2.26 (1.87–2.77)

 < 0.001

HDL-C (mmol/L)

1.33 ± 0.26

1.14 ± 0.20

1.03 ± 0.20

0.86 ± 0.18

 < 0.001

TG/ HDL-C

0.57 (0.46–0.68)

0.96 (0.85–1.06)

1.45 (1.31–1.60)

2.54 (2.11–3.33)

 < 0.001

Positive FH-DM

100 (14.18)

115 (16.34)

103 (14.63)

97 (13.78)

0.55

Positive History of CVD

5 (0.71)

11 (1.56)

7 (0.99)

14 (1.99)

0.2

Current smoker

36 (5.11)

42 (5.97)

47 (6.68)

44 (6.25)

0.65

Education

    

 < 0.001

  ≤ 6 years

105 (14.89)

158 (22.44)

205 (29.12)

254(36.08)

 

 6–12 years

441 (62.55)

421 (59.80)

405 (57.53)

394 (55.97)

 

  ≥ 12 years

159 (22.55)

125 (17.76)

94 (13.35)

56 (7.95)

 
  1. Values are mean ± SD or median (IQR) or frequency (%) as appropriate
  2. N number, BMI body mass index, WC waist circumference, SBP systolic blood pressure, DBP diastolic blood pressure, FPG fasting plasma glucose, 2 h-PCG 2-h post-challenge plasma glucose, TC total cholesterol, TG triglycerides, HDL-C high-density lipoprotein Cholesterol, FH-DM family history of diabetes mellitus, CVD cardiovascular disease, NFG normal fasting glucose, NGT normal glucose tolerance, SD standard deviation, IQR interquartile range
  3. †Normoglycemia: includes NFG and NGT