The effect of spread through air spaces on postoperative recurrence-free survival in patients with multiple primary lung cancers

Table 2 Predictive factors for STAS

Preoperative variables	OR	95% CI	P
Male	1.89	0.50–7.18	0.35
Age	1.02	0.97–1.07	0.43
Smoker	0.19	0.04–0.96	0.044
Tumor size	3.44	1.57–7.56	0.002
Solid nodules on CT	0.18	0.06–0.52	0.002

ISSN: 1477-7819