Distribution of the DMVOs assessed in the selected studies

Characteristicsn = 2607
DMVOs (No.) (%)479 (18.3)
Type of DMVO
 M2 (No.) (%)312 (65.1)
 M3/M4 (No.) (%)52 (10.9)
 A2/A3/A4 (No.) (%)23 (4.8)
 P2/P3/P4 (No.) (%)42 (8.8)
 PICA (No.) (%)2 (0.42)
 SCA (No.) (%)1 (0.21)
 Unspecified without M2a24 (5.0)
 Unspecified with M2b23 (4.8)

  • ↵a M3, M4, anterior cerebral artery, A2, A3, posterior cerebral artery, P2, P3, P4, PICA, SCA.

  • ↵b M2, M3, A2, A3.