Table 2: Distribution of the unilateral and bilateral FV found in analyzed dry skulls according to side and sex.

Groups
(N, skulls)
Patent FV [Skulls (%)] FV in middle cranial fossa [Skulls (%)] FV in extracranial view of the skull base [skulls (%)]
Right sideLeft sideTotal sides ( 𝑁 = 3 7 7 )Right sideLeft sideTotal sides ( 𝑁 = 3 7 7 )Right sideLeft sideTotal sides ( 𝑁 = 3 7 7 )

Unilateral FV14 (3.7)31 (8.2)45 (11.9)16 (4.2)32 (8.5)48 (12.7)35 (9.3)54 (14.3)89 (23.6)
 Male (246)10 (2.7)21 (5.6)31 (8.2)12 (3.2)21 (5.6)33 (8.7)20 (5.3)34 (9.0)54 (14.3)
 Female (131)4 (1.1)10 (2.7)14 (3.7)4 (1.1)11 (2.9)15 (4.0)15 (4.0)20 (5.3)35 (9.3)

Bilateral FV16 (4.2)17 (4.5)53 (14.0)
 Male (246)13 (3.4)14 (3.7)40 (10.6)
 Female (131)3 (0.8)3 (0.8)13 (3.4)