Table 5. Multivariable analysis for the relationship between STAS and histological and genetic features.

Characteristics	OR (95% CI)	P value
Micropapillary component		<0.001
–	1.00
+	13.88 (7.28–26.47)
ALK arrangement		0.009
–	1.00
+	8.46 (1.46–49.26)
LVI		<0.001
–	1.00
+	9.06 (2.40–34.17)

STAS, spread through air space; LVI, lymphovascular invasion.