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Table 3 Mean flow velocities of main intracranial arteries in other studies

From: Relatively higher norms of blood flow velocity of major intracranial arteries in North-West Iran

Study N Age range(Y) Mean age(Y) MCAcm/sec ACAcm/sec PCAcm/sec
US 29 50 20-65 36 62 ± 12 51 ± 12 44 ± 11
Italy 30 40 25-60 37 65 ± 13 48 ± 20 35 ± 18
Germany 31 50 < 40 - 58 ± 8 47 ± 14 41 ± 9
   40-60 - 58 ± 12 53 ± 1 -
Netherland 32 120 30-40 - 67 ± 8 - -
   40-50 - 68 ± 11 - -
Norway 33 20 20-35 28 67 ± 7 - -
Poland 34 182 20-40 - 81 ± 20 56 ± 14 52 ± 12
   41-60 - 73 ± 19 53 ± 16 51 ± 12
   > 60 - 59 ± 11 40 ± 9 40 ± 9
North-West of Iran 80 25-40 32 ± 4 89 ± 12 79 ± 10 69 ± 8
   40-60 47 ± 4 87 ± 14 77 ± 14 62 ± 10