INAA (n = 87)

NIAA (n = 87)

P

影像学特征

直径，mm

56.0 (SD 18.2, range 22.0~134.0)

60.7 (SD 15.8, range 34.0~108.0)

0.035

快速进展

19 (21.8%)

7 (8.0%)

0.011

囊性或偏心性

46 (52.9%)

14 (16.1%)

<0.001

分叶状

35 (40.2%)

3 (3.4%)

<0.001

管周积气

33 (37.9%)

0 (0%)

<0.001

积液

52 (59.8%)

5 (5.7%)

<0.001

邻近感染

47 (54.0%)

0 (0%)

<0.001

附壁血栓

45 (51.7%)

71 (81.6%)

<0.001

钙化

36 (41.4%)

53 (60.9%)

0.010

多发动脉瘤

27 (31.0%)

37 (42.5%)

0.116

动脉瘤位置

升主动脉

4 (4.6%)

主动脉弓

9 (10.3%)

降主动脉

18 (20.7%)

肾周腹主动脉

16 (18.4%)

肾下腹主动脉

50 (57.5%)

髂动脉

24 (27.6%)