Table 1.

Angiographic follow-up results after PED treatment: volume of contrast filling of the aneurysm and degree of stasis of contrast material at the {first} and [last] follow-up DSA according to the OKM grading scale

Volume of contrast filling	Degree of stasis
	1, no stasis	2, moderate stasis	3, significant stasis
A, complete	{n = 8 (9%)}	{n = 1 (1%)}	{n = 2 (2%)}
	[N = 1 (2%)]	[N = 0 (0%)]	[N = 1 (2%)]
B, subtotal	{n = 9 (10%)}	{n = 4 (5%)}	{n = 8 (9%)}
	[N = 3 (6%)]	[N = 1 (2%)]	[N = 3 (6%)]
C, entry remnant	{n = 4 (5%)}	{n = 3 (3%)}	{n = 1 (1%)}
	[N = 3 (6%)]	[N = 1 (2%)]	[N = 0 (0%)]
D, no filling	{n = 47 (52%)}
	[N = 36 (74%)]
Occlusion of target vessel	n = 2 (2%)
Aneurysm rupture	n = 1 (1%)