Sex

Dimensions PV (mm)

Male

n= 500

Female

n= 500

P

Diameter of the PV in its origin

9.7 ± 1.9

9.3 ± 2

0.411

diameter of the PV in its ending

9.4 ± 2.2

9.6 ± 1.7

0.730

Length of the PV

65.2 ± 16.4

57.7 ± 17.8

0.001