Table 3.

Multivariate regression analysis of three signs.

CT signs	$\widehat{\beta }$	SE	Wald	P	OR	OR 95% CI
						Lower limit	Upper limit
Irregular margin ring sign	3.310	0.786	17.752	<0.001	27.374	5.871	127.636
Margin defect sign	3.353	0.986	11.563	0.001	28.587	4.139	197.460
Enhancement blur sign	1.462	0.824	3.148	0.076	4.315	0.858	21.694

$\widehat{\beta }$, regression coefficient; SE, standard error; OR, odds ratio; CI, confidence interval; Wald, Wald chi-square value.