Table 8.

Linear regression analysis of fracture measurement results.

	Area	Length	Mean Width
slope	1.11	1.04	1.06
confidence intervals	[1.097, 1.130]	[1.029, 1.055]	[1.036, 1.092]
$R^2$ statistic	0.922	0.943	0.706
F-statistic	100	743	531
p-value	<0.001	<0.001	<0.001