Table 5.

${\chi }^2$ values for CT number to water.

Samples	${\mathit{\chi }}^{\mathbf{2}}$ values to water
A1	1.751
A2	2.100
A3	1.813
B1	1.025
B2	1.030
B3	1.018
C1	0.243
C2	0.167
C3	0.341
D1	0.029
D2	0.024
D3	0.031
E1	0.175
E2	1.003
E3	0.195

Note: A1, A2, A3, B1, B2, B3, C1, C2, C3, D1, D2, D3, E1, E2, and E3 refer to the samples described in Table 1.