Table 3.

The univariate and multivariate generalized linear model analysis for patient characteristics and CT image.

	Univariate		Multivariate
	Odds ratio	P value	Odds ratio	P value
Sex (male)	1.08 (0.88–1.31)	.46
Age (yr)	1.00 (0.99–1.01)	.54
Maximum short axis of the thymic vein (mm)	1.56 (1.34–1.82)	<.001∗
Maximum short axis of the thymic vein ≥2 mm	1.72 (1.45–2.05)	<.001∗	1.27 (1.08–1.49)	.005∗
Maximum long axis of the tumor (mm)	1.01 (1.00–1.01)	.032∗	1.00 (0.99–1.00)	.37
Lobulated shape	1.10 (0.90–1.34)	.35
Irregular contour	1.65 (1.06–2.57)	.032∗	1.03 (0.66–1.62)	.88
Ill-defined margin	2.04 (1.53–2.70)	<.001∗	1.75 (1.27–2.39)	.001∗
Focal low-attenuation area	1.51 (1.24–1.85)	<.001∗	1.10 (0.94–1.31)	.25
Involvement of great vessels	1.94 (1.40–2.68)	<.001∗	0.86 (0.60–1.25)	.43
Mediastinal lymphadenopathy	2.41 (1.80–3.22)	<.001∗	2.06 (1.44–2.95)	<.001∗

^∗Statistically significant.