Table 3 Multivariate analysis of the characteristics of 1427 small (< 7 mm) intracranial aneurysms in 660 patients

Bifurcation location

2.010

1.190–3.394

0.009

1.217

BPR

0.335

0.162–0.693

0.003

1.283

Size

1.326

1.111–1.583

0.002

1.388

AR

2.282

1.409–3.696

0.001

1.371

NPR

1.696

1.027–2.800

0.039

1.517

Clusters

 Cluster 3

Reference

Reference

Reference

 Cluster 1

7.391

4.074–13.150

 < 0.001

1.860

 Cluster 2

3.014

1.827–4.970

 < 0.001

1.891