Table 2 Comparison of baseline characteristics at different FLI quartile levels

Age (years)

59.26 ± 8.01

60.23 ± 7.75^a

60.54 ± 7.54^a

59.71 ± 7.43^abc

BMI (kg/m²)

21.9 ± 2.03

24.3 ± 1.8^a

26.12 ± 2.1^ab

29.11 ± 3.24^abc

WC (cm)

75.78 ± 5.92

83.04 ± 5^a

87.96 ± 5.51^ab

95.76 ± 7.49^abc

SBP (mmHg)

125.95 ± 17.94

131.92 ± 18.12^a

135.12 ± 17.88^ab

138.01 ± 17.78^abc

DBP (mmHg)

74.79 ± 10.14

77.29 ± 10.27^a

78.94 ± 10.58^ab

81.26 ± 11.23^abc

GGT (U/L)

14.80 (12.1,18.3)

18.00 (14.4, 23.12)^a

22.50 (17.6, 29.7)^ab

31.5 (23.2, 47.4)^abc

CR (µmol/L)

66.32 ± 14

68.63 ± 14.01^a

70.34 ± 16.5^ab

72.47 ± 18.97^abc

TC (mmol/L)

4.79 ± 0.89

4.8 ± 0.91

4.87 ± 0.96^ab

5.01 ± 1.02^abc

TG (mmol/L)

0.98 ± 0.37

1.28 ± 0.5^a

1.61 ± 0.71^ab

2.46 ± 1.69^abc

HDL (mmol/L)

1.7 ± 0.39

1.47 ± 0.32^a

1.36 ± 0.32^ab

1.23 ± 0.3^abc

LDL (mmol/L)

2.97 ± 0.76

3.09 ± 0.8^a

3.16 ± 0.82^ab

3.16 ± 0.88^ab

UA (µmol/L)

262.19 ± 60.98

288.9 ± 64.26^a

310.58 ± 70.68^ab

341.71 ± 79.22^abc

FPG (mmol/L)

5.46 ± 1.46

5.66 ± 1.55^a

5.91 ± 1.67^ab

6.26 ± 1.9^abc

HUA, n (%)

72 (3.2)

105 (6.2)^a

305 (11.1)^ab

448 (20.4)^abc

HTN, n (%)

850 (38.0)

876 (52.1)^a

1694 (61.9)^ab

1645 (74.9)^abc

DM, n (%)

425 (19.0)

441 (26.2)^a

876 (32.0)^ab

928 (42.3)^abc

H-TG, n (%)

91 (4.1)

282 (16.8)^a

1055 (38.5)^ab

1574 (71.7)^abc

L-HDL, n (%)

49 (2.2)

106 (5.9)^a

377 (13.8)^ab

588 (26.8)^abc

MS, n (%)

12 (0.5)

123 (6.3)^a

843 (30.8)^ab

1554 (70.7)^abc

METS-IR

29.67 ± 3.51

34.68 ± 3.00^a

38.77 ± 3.68^ab

46.30 ± 21.91^abc