Table 1 The calf-vein deformation in compressed states

SV CSA (cm²)

0.65 (0.45–0.85)

0.17 (0.06–0.27)

0.61 (0.41–0.81)

0.14 (0.05–0.23)

0.01 (-0.01–0.02)

0 (0–0)

SV diameter ap (cm)

1.00 (0.85–1.15)

0.36 (0.16–0.57)

1.03 (0.84–1.22)

0.45 (0.20–0.70)

0.27 (-0.03–0.08)

0 (0–0)

SV diameter lm (cm)

0.84 (0.65–1.02)

0.33 (0.15–0.50)

0.73 (0.61–0.84)

0.26 (0.13–0.39)

0.02 (-0.02–0.07)

0 (0–0)

PTV CSA (cm²)

0.13 (0.09–0.17)

0.05 (0.03–0.08)

0.11 (0.08–0.15)

0.05 (0.03–0.07)

0.03 (0.02–0.04)

0.02 (0.01–0.03)

PTV diameter ap (cm)

0.48 (0.36–0.61)

0.25 (0.18–0.33)

0.41 (0.33–0.48)

0.27 (0.19–0.35)

0.27 (0.16–0.38)

0.15 (0.10–0.21)

PTV diameter lm (cm)

0.36 (0.30–0.43)

0.22 (0.16–0.28)

0.37 (0.31–0.44)

0.22 (0.16–0.27)

0.20 (0.15–0.25)

0.13 (0.08–0.18)

GSV CSA (cm²

0.04 (0.03–0.06)

0.02 (0.02–0.03)

0.04 (0.03–0.05)

0.03 (0.02–0.04)

0.04 (0.02–0.05)

0.03 (0.02–0.04)

GSV diameter ap (cm)

0.28 (0.23–0.33)

0.22 (0.17–0.27)

0.25 (0.20–0.30)

0.25 (0.19–0.30)

0.26 (0.21–0.31)

0.23 (0.18–0.29)

GSV diameter lm (cm)

0.19 (0.17–0.22)

0.14 (0.12–0.16)

0.21 (0.17–0.34)

0.16 (0.14–0.19)

0.18 (0.15–0.21)

0.13 (0.11–0.16)