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Table 4 Angiographic (DSA) follow-up over time

From: Flow diverter devices in the treatment of posterior communicating artery aneurysms: mid-term clinical and radiological outcomes

OKM scale 180 days, n (%) 12 months, n (%) 24 months, n (%)
A 1 (5.5) 2 (5.5)
B 4 (22.2) 4 (11.1) 3 (8.8)
C 3 (16.6) 9 (25) 6 (17.6)
D 11 (61.1) 22 (61.1) 26 (74.5)
Missed 28 10 12
  1. OKM O’Kelly-Marotta scale for the angiographic outcome, A total filling (> 95%), B subtotal filling (5–95%), C entry remnant (< 5%), D no filling (0%)