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Table 3 Correlations of pulsed-wave Doppler variables of both hind limbs and between hind limbs in 17 healthy German Holstein cows using statistical model A, which considered farm and location

From: Evaluation of arterial digital blood flow using Doppler ultrasonography in healthy dairy cows

 

HL

Vsyst

Venddiast

Vdiast

Vmean

PI

RI

BF

HR

Vsyst

0.77 c

0.19b

0.44b

0.67 b

0.26b

0.25b

0.42b

Venddiast

−0.45 a

−0.29c

0.9 b

0.74 b

−0.79 b

−0.87 b

0.67 b

Vdiast

−0.28a

0.75 a

−0.26c

0.86 b

−0.66 b

−0.67 b

0.80 b

Vmean

−0.27a

0.79 a

0.87 a

−0.45c

−0.52 b

−0.43b

0.84 b

PI

0.72 a

−0.69 a

−0.76 a

−0.79 a

0.09c

0.91 b

−0.55 b

RI

0.64 a

−0.86 a

−0.61 a

−0.73 a

0.82 a

0.27c

−0.41b

BF

−0.37a

0.60 a

0.82 a

0.89 a

−0.87 a

−0.59 a

−0.26c

  1. Vsyst maximum systolic velocity, Vdiast maximum diastolic velocity, Venddiast end-diastolic velocity, Vmean maximum time-averaged mean velocity, PI log transformed persistence index, RI resistance index, BF log transformed blood flow rate, HR right hind limb, HL left hind limb
  2. bold text = different from zero (p < 0.05)
  3. acorrelations between pulsed-wave Doppler variables of the right hind limb
  4. bcorrelations between pulsed-wave Doppler variables of the left hind limb
  5. ccorrelations of the pulsed-wave Doppler variables between right and left hind limb