Table 1 Time, concentration, and the interaction of the two on the CT number of the lowest density area, the highest density area, and the volume of the low density area repeated measurement analysis of variance results.

From: Dynamic computed tomography manifestations of simulated wooden foreign bodies in blood-saline mixtures with variable concentrations and retention times

Factor

Degree of freedom

CT number of the lowest density area (HU)

CT number of the highest density area (HU)

Volume of the low density area (mm3)

F

P value

F

P value

F

P value

Concentration

4

410.63

 < 0.001

5.04

0.009

3228.99

 < 0.001

Time

51

5523.68

 < 0.001

9041.12

 < 0.001

3834.45

 < 0.001

Concentration × time

204

81.58

 < 0.001

0.22

1.00

203.22

 < 0.001

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