Table 3 Values of LBFV and LSCI for predicting CCA thrombosis.

From: Real-time laser speckle contrast imaging for intraoperative neurovascular blood flow assessment: animal experimental study

 

Mean value (standard deviation)

Dynamics of the average value in percents

Statistical criterion and its value

p value

LBFV, left CCA, proximally, initially

(cm/sec)

21.13 (± 6.40)

−100.00%

Wilcoxon Test

(Z) = −5.068

 < 0.001

LBFV, left CCA, proximally, after FeCl3 (cm/sec)

0 (± 0)

LSCI left CCA proximally initially (a.u.)

13.24 (± 0.23)

−58.78%

Paired Student t Test

(T) = 46.070

 < 0.001

LSCI left CCA proximally after

FeCl3 (a.u.)

5.46 (± 0.43)

LBFV, left CCA, distally, initially

(cm/sec)

22.803 (± 1.62)

−100.00%

Wilcoxon Test

(Z) = −5.145

 < 0.001

LBFV, left CCA, distally, after FeCl3 (cm/sec)

0 (± 0)

LSCI left CCA distally initially (a.u.)

13.40 (± 0.22)

−64.45%

Paired Student t Test

(T) = 68.268

 < 0.001

LSCI left CCA distally after FeCl3

(a.u.)

4.76 (± 0.20)

LBFV right CCA, proximally,

initially (cm/sec)

0 (0)

0.00%

LBFV, right CCA, proximally after FeCl3 (cm/sec)

0 (0)

LSCI right CCA proximally initially (a.u.)

11.54 (± 1.23)

−50.50%

Paired Student t Test

(T) = 8.793

 < 0.001

LSCI right CCA proximally after FeCl3 (a.u.)

5.71 (± 0.79)

LBFV right CCA, distally, initially

(cm/sec)

0 (0)

0.00%

LBFV right CCA, distally, after FeCl3 (cm/sec)

0 (0)

LSCI right CCA distally initially (a.u.)

7.88 (± 1.45)

−35.85%

Paired Student t Test

(T) = 5.635

 < 0.001

LSCI right CCA distally after FeCl3 (a.u.)

5.05 (± 0.27)