Table 1

Results from univariate statistical analysis for all variables in the short-term angiographic follow-up results

CharacteristicsFavourable outcome (N=154)Unfavourable outcome (N=23)P value
Patient baseline characteristics
Age55.9±10.252.8±10.30.170
Gender (%)0.551
 Male57 (37.0)10 (43.5)
 Female97 (63.0)13 (56.5)
Smoking (%)23 (14.9)6 (26.1)0.296
Drinking (%)17 (11.0)6 (26.1)0.095
Hypertension (%)77 (50.0)10 (43.5)0.560
Rupture (%)21 (13.6)3 (13.0)1.000
Aneurysm morphological characteristics
Aneurysm size*5.71 (8.53)7.22 (12.95)0.217
AR*1.11 (1.42)1.23 (1.86)0.056
SR*1.71 (3.12)2.58 (3.47)0.179
Shape (%)0.263
 Regular99 (64.3)12 (52.2)
 Irregular55 (35.7)11 (47.8)
Location (%)0.652
 Anterior circulation139 (90.3)22 (95.7)
 Posterior circulation15 (9.7)1 (4.3)
Sidewall/bifurcation aneurysm (%)0.797
 Sidewall98 (63.6)14 (60.9)
 Bifurcation56 (36.4)9 (39.1)
Treated-related factors
 Treatment therapy (%)0.086
  Coiling32 (20.8)9 (39.1)
  Stent-assisted coiling88 (57.1)8 (34.8)
  Flow diverter34 (22.1)6 (26.1)
 Packing density (%)24.7±16.519.1±15.00.126
 Follow-up period (months)6.62±1.866.58±2.350.918
Haemodynamic changes
 The RR of velocity at the aneurysm neck plane (%)59.3±22.843.4±22.70.002
 The RR of WSS on the aneurysm neck (%)*48.0 (67.9)19.5 (41.6)0.072
 The RR of velocity in the aneurysm (%)*78.6 (87.8)73.4 (79.3)0.073
 The RR of WSS on the aneurysm61.7±26.352.8±59.60.488
  • *The data were expressed as median (quartile).

  • AR, aspect ratio; RR, reduction ratio; SR, size ratio; WSS, wall shear stress.