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Table 1: Treatment & primary periprocedural complications
No. Material Several Sessions Additional Coiling Primary Periprocedural Complications
1 6 × Pipeline No No No
2 2 × Silk, 3 × LEO No No No
3 2 × Silk, 7 × LEO+ Yes No No
4 2 × Silk, 3 × LEO No Yes No
5 4 × Silk, 4 × LEO+ Yes Yes No
6 3 × Silk No No No
Ratio 2/6 2/6 0/6

No.	Material	Several Sessions	Additional Coiling	Primary Periprocedural Complications
1	6 × Pipeline	No	No	No
2	2 × Silk, 3 × LEO	No	No	No
3	2 × Silk, 7 × LEO+	Yes	No	No
4	2 × Silk, 3 × LEO	No	Yes	No
5	4 × Silk, 4 × LEO+	Yes	Yes	No
6	3 × Silk	No	No	No
Ratio		2/6	2/6	0/6