Examiners

Variables (mm)

Sonographer n˚1

Sonographer n˚2

Sonographer n˚3

F

P

Transverse diameter of the PV in its origin

9.40 ± 1.68

9.65 ± 1.67

9.80 ± 1.66

0.15

0.8

Transverse diameter of the PV in its ending

9.62 ± 7.79

9.15 ± 1.70

9 ± 1.61

0.36

0.9

Length of the PV

61.22 ± 15.48

61.30 ± 14

61.33 ± 13.22

0

0.9

Number of terminal branches of the PV

2

2

2