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Table 2 The deformation of the deep veins in compressed states

From: The impact of graduated compression stockings on calf-vein deformation and blood velocity in patients awaiting total knee arthroplasty

 

Uncompressed

Compressed

P-value

% Reduction

ATV CSA (mm2)

4.2 ± 2.4

1.1 ± 1.0

< 0.001

69.5 ± 29.8

ATV diameter AP (mm)

1.9 ± 0.6

0.8 ± 0.7

< 0.001

57.6 ± 39.2

ATV diameter LM (mm)

3.0 ± 0.9

1.0 ± 0.9

< 0.001

62.7 ± 33.3

PTV CSA (mm2)

15.4 ± 12.3

4.8 ± 3.7

< 0.001

59.0 ± 28.2

PTV diameter AP (mm)

4.3 ± 2.0

2.5 ± 0.8

< 0.001

35.1 ± 31.0

PTV diameter LM (mm)

3.9 ± 1.6

2.3 ± 1.3

< 0.001

37.5 ± 31.9

FV CSA (mm2)

44.0 ± 19.2

14.2 ± 11.4

< 0.001

65.2 ± 30.5

FV diameter AP (mm)

8.6 ± 2.3

3.9 ± 2.3

< 0.001

50.0 ± 35.3

FV diameter LM (mm)

6.2 ± 1.7

3.4 ± 2.6

0.001

48.4 ± 38.7

  1. Data are means ± SD
  2. ATV anterior tibial vein, PTV posterior tibial vein, FV  fibular vein, CSA cross sectional area, AP anteroposterior, LM  lateromedial