Table 3 Baseline characteristics of AAA patients based on different TLR4 and MMP9 expression in situ

Age, years

61.56 ± 8.12

59.00 ± 7.87

62.00 ± 9.24

59.57 ± 6.77

Male, n (%)

23 (85.2%)

10 (76.9%)

16 (84.2%)

17 (81.0%)

BMI, kg/m²

22.79 ± 2.09

21.32 ± 2.16

22.68 ± 2.37

22.72 ± 3.12

Smoking, n (%)

4 (14.8%)

7 (53.8%)

2 (10.5%)

9 (42.9%)

Drinking, n (%)

4 (14.8%)

4 (30.8%)

3 (15.8%)

5 (23.8%)

Hypertension, n (%)

20 (74.1%)

9 (69.2%)

14 (73.7%)

15 (71.4%)

Diabetes, n (%)

7 (25.9%)

3 (23.1%)

5 (26.3%)

5 (23.8%)

Dyslipidemia, n (%)

15 (55.6%)

7 (53.8%)

10 (52.6%)

12 (57.1%)

WBC, × 10⁹/L

7.74 ± 3.78

10.16 ± 5.24

7.89 ± 3.75

9.11 ± 4.92

Hemoglobin, g/dl

129.70 ± 24.17

119.00 ± 30.95

130.47 ± 21.25

122.38 ± 30.75

Platelets, × 10⁹/L

216.59 ± 82.05

251.08 ± 103.42

207.63 ± 76.35

246.05 ± 98.52

Serum creatinine, μmol/L

79.56 ± 32.38

70.62 ± 39.07

77.63 ± 36.51

75.76 ± 33.36

CRP, mg/L

42.93 ± 60.27

82.57 ± 96.68

38.52 ± 56.93

73.99 ± 88.82

D-dimer, ug/mL

3.91 ± 4.93

5.85 ± 6.30

3.546 ± 4.36

5.44 ± 6.17

Hcy, umol/L

14.21 ± 5.45

14.69 ± 11.00

15.02 ± 5.39

13.79 ± 9.04

Cys-c, mg/L

1.05 ± 0.50

0.93 ± 0.31

1.05 ± 0.58

0.97 ± 0.28

Family history of AAA, n (%)

2 (7.4%)

1 (7.7%)

1 (5.3%)

2 (9.5%)

Max. aortic diameter, cm

5.97 ± 2.10

6.32 ± 2.05

6.37 ± 2.34

5.79 ± 1.75

> 5.5 cm, n (%)

8 (29.6%)

9 (69.2%)

8 (42.1%)

9 (42.9%)

≤ 5.5 cm, n (%)

16 (59.3%)

3 (23.1%)

10 (52.6%)

9 (42.9%)

Missing, n (%)

3 (11.1%)

1 (7.7%)

1 (5.3%)

3 (14.3%)

Max. aortic area, cm²

22.38 ± 14.60

27.71 ± 15.84

25.89 ± 17.61

23.52 ± 13.68

Thrombus within AAA

Yes, n (%)

10 (37.0%)

7 (53.8%)

5 (26.3%)

12 (57.1%)

No, n (%)

14 (51.9%)

4 (30.8%)

13 (68.4%)

5 (23.8%)

Missing, n (%)

3 (11.1%)

2 (15.4%)

1 (5.3%)

4 (19.0%)