Table 2:

Occlusion comparison between initial and first follow-up angiograms

Initial Angiography	n	Follow-up Angiography
		Unchanged	Reopening	Progressive Thrombosis
Total/nearly total	142	128	5	8
Subtotal occlusion	23	11	10	3
Partial occlusion	8	3	4	1
Total	173	142 (82.1%)	19 (11.0%)	12 (6.9%)