Table 1 Demographic and clinical characteristics of the study population

Age

57.39 ± 7.64

55.17 ± 8.02

P < 0.001

Smoking

328 (50.5%)

20 (1.8%)

P < 0.001

Drinking

320 (49.3%)

66 (5.8%)

P < 0.001

BMI

24.77 ± 3.25

24.82 ± 3.70

P = 0.793

WC

87.97 ± 9.16

84.02 ± 10.62

P < 0.001

Heart rate

76.91 ± 12.03

81.44 ± 11.54

P < 0.001

SBP

137.96 ± 19.18

133.24 ± 18.73

P < 0.001

DBP

84.18 ± 10.27

81.14 ± 10.10

P < 0.001

FPG

6.58 ± 1.90

6.33 ± 1.62

P = 0.003

HbA1c

5.79 ± 1.03

5.79 ± 0.99

P = 0.958

Insulin

6.96 ± 9.64

7.60 ± 4.05

P = 0.052

TGs

1.41 (0.99–2.17)

1.41 (1.00–2.02)

P = 0.637

HDL-c

1.28 ± 0.33

1.36 ± 0.29

P < 0.001

LDL-c

2.67 ± 0.70

2.82 ± 0.73

P < 0.001

TC

4.84 ± 0.86

5.05 ± 0.90

P < 0.001

VAI

1.96 ± 1.52

2.48 ± 1.65

P < 0.001

Uric acid

0.296 ± 0.069

0.232 ± 0.062

P < 0.001

Creatine

77.11 ± 15.92

63.34 ± 8.45

P < 0.001

eGFR

117.80 ± 24.64

122.18 ± 21.35

P < 0.001

FVC liter

3.22 ± 0.65

2.39 ± 0.47

P < 0.001

FVC%pred

84.13 ± 14.69

86.93 ± 15.73

P < 0.001

FEV liter

2.60 ± 0.60

2.01 ± 0.40

P < 0.001

FEV1%pred

85.18 ± 16.81

93.20 ± 17.95

P < 0.001

FEV1/FVC

80.66 ± 9.38

83.98 ± 7.37

P < 0.001