Table 4.

Multivariable Survival Analysis on T2a/IB patients

Variable	Hazard Ratio	95% Hazard Ratio Confidence Limits	P-value
T2a Category (Visceral Pleural Invasion vs. Size vs. Visceral Pleura/Size)			0.015
Visceral Pleura	1.0	-	-
Size	1.22	0.78, 1.91	0.38
Visceral Pleura/Size	2.07	1.23, 3.50	0.006
Sex (Male vs. Female)	0.80	0.56, 1.16	0.24
Age	1.03	1.01, 1.06	0.003
Histology (Squamous vs. Adenocarcinoma vs. Other)			0.25
Adenocarcinoma	0.76	0.49, 1.17	0.21
Other	0.69	0.43, 1.09	0.11
Surgical Resections (Segmentectomy/Wedge vs. Lobectomy/Bilobectomy/Pneumonectomy)
Segmentectomy/Wedge	2.34	1.34, 4.08	0.003