Table III.

Multivariate logistic regression for factors associated with LTP in patients who received microwave ablation for NSCLC.

Variables	Odds ratio	Standard error	Z score	P-value	95% CI
Complete tumor ablation after the 1st MWA session
No	6.57	0.95	1.88	0.048a	1.02–42.34
Yes	Ref
Proximity to relevant structures
Yes	2.09	0.73	0.73	0.313	0.50–8.74
No	Ref
Tumor size
≥4 cm	0.18	0.70	−1.68	0.017a	0.04–0.74
<4 cm	Ref

^aP<0.05. LTP, local tumor progression; NSCLC, non-small cell lung cancer.