Table 4. Propensity score-matched comparison of clinical and pathologic factors between patients who underwent lobectomy and segmentectomy.

Variables	Lobectomy (n=100)	Segmentectomy (n=100)	P value
Clinical factors
Age	63 [33-82]	66 [32-89]	0.030
Gender
Male	46 (46%)	50 (50%)	0.67
Tumor size (cm)	1.6 (0.7-3.0)	1.6 (0.6-3.0)	0.28
SUVmax†	1.2 (0-8.7)	1.2 (0-9.8)	0.047
Side			0.27
Right	62 (62%)	53 (53%)
Lobe			0.10
Upper	62 (62%)	50 (50%)
Lower	38 (38%)	50 (50%)
Pathologic factors
Lymphatic invasion	11 (11%)	7 (7%)	0.45
Vascular invasion	9 (9%)	9 (9%)	1.0
Pleural invasion	10 (10%)	7 (7%)	0.61
Lymph node metastasis	7 (7%)	3 (3%)	0.34

^†, maximum standardized uptake value.