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Table 1 Baseline characteristics of the final cohort

From: Serum leptin levels are independently related to the incidence of ischemic heart disease in a prospective study of patients with type 2 diabetes

Variable

Men (n = 476)

SD

Women (n = 244)

SD

Mean level

 

Mean level

Age (years)

60.69

3.1

60.65

3.1

Diabetes duration (years)

7.1

6.36

7.4

5.7

Current smoker (%)

15.9

 

21.6

 

BMI (kg/m2)

29.7

4.2

*31.0

5.4

Waist circumference (cm)

105.2

11

*103.0

13

HbA1c (mmol/mol)

53.0

12

52.8

12

HbA1c (%, Mono-S)

6.09

1.1

6.06

1.12

Total cholesterol (mmol/l)

4.62

.92

4.95

1.03

HDL cholesterol (mmol/l)

1.23

.32

*1.40

.35

LDL cholesterol (mmol/l)

2.62

.75

*2.77

.86

LDL/HDL ratio

2.22

.73

*2.07

.78

Triglycerides (mmol/l)

1.81

1.2

1.78

.88

Systolic BP (mmHg)

136.9

16

137.4

17

Diastolic BP (mmHg)

80.7

10

*78.5

9.9

Antihypertensives (number of drugs)

1.07

1.0

1.00

.93

Statin treatment (%)

53.0

 

58.0

 

OAD (number of drugs)

.771

.75

.758

.70

Insulin treatment (%)

29.0

 

33.2

 

PWV (m/s)

10.39

2.1

10.27

2.0

IMT (mm)

.755

.19

*0.702

.15

Leptin (ng/ml)

2561

2389

*7159

5654

  1. *Denotes statistical difference between genders.
  2. Abbreviations: BMI, body mass index; BP, blood pressure; HDL, high density lipoprotein; IMT, intima-media thickness of carotid arteries; LDL, low density lipoprotein; OAD, oral antidiabetic drugs; PWV, carotid-femoral pulse wave velocity.
  3. Data was missing in 54 patients for duration of diabetes; 13 patients about smoking; 1 patient for BMI; 5 patients for waist circumferences; 10 patients for HbA1c; 23 patients for cholesterol; 3 patients for BP; 20 patients for IMT and in 59 patients for PWV.