Table 1.
Characteristics | Before PSM | After PSM | |||||||
---|---|---|---|---|---|---|---|---|---|
Control | AAA | P | Control | AAA | P | AAA diameter (30-54 mm) | AAA diameter ≥55mm | P | |
N = 725 | N = 76 | N = 76 | N = 76 | n = 54 | n = 22 | ||||
Age, years | 54.80 ± 13.34 | 63.59 ± 11.74 | <.001 | 63.64 ± 13.42 | 63.59 ± 11.74 | .859 | 61.13 ± 11.69 | 69.50 ± 9.76 | .004 |
Men, n (%) | 371 (51.17%) | 65 (8.97%) | <.001 | 65 (85.53%) | 65 (85.53%) | 1.000 | 46 (85.19%) | 19 (86.36%) | 1.000 |
BMI | 24.66 ± 5.27 | 23.31 ± 5.22 | .034 | 23.09 ± 5.18 | 23.31 ± 5.22 | .796 | 23.20 ± 4.62 | 23.59 ± 6.57 | .770 |
HR, bmp | 78.63 ± 14.21 | 89.42 ± 12.67 | <.001 | 90.15 ± 12.39 | 89.42 ± 12.67 | .723 | 88.93 ± 10.91 | 90.64 ± 16.47 | .597 |
Current smoker, n (%) | 144 (19.86%) | 18 (23.68%) | .453 | 18 (23.68%) | 18 (23.68%) | 1.000 | 11 (20.37%) | 7 (31.82%) | .373 |
Hypertension, n (%) | 313 (43.17%) | 49 (64.47%) | <.001 | 47 (61.84%) | 49 (64.47%) | .867 | 32 (59.26%) | 17 (77.27%) | .188 |
Type 2 diabetes mellitus, n (%) | 81 (11.17%) | 11 (14.47%) | .448 | 10 (13.16%) | 11 (14.47%) | .811 | 8 (14.81%) | 3 (13.64%) | 1.000 |
Prior CHD, n (%) | 154 (21.24%) | 21 (27.63%) | .242 | 20 (26.32%) | 21 (27.63%) | 1.000 | 14 (25.93%) | 7 (31.82%) | .587 |
Prior stroke, n (%) | 55 (7.59%) | 5 (6.58%) | 1.000 | 5 (6.58%) | 5 (6.58%) | 1.000 | 4 (7.41%) | 1 (4.55%) | 1.000 |
Abbreviations: AAA, abdominal aortic aneurysm; BMI, body mass index; CHD, coronary heart disease; HR, heart rate; LPO, lipid hydroperoxides; PSM, propensity score matching.
aValues are mean ± SD or n (%).