Table 3.

Radiologic solid and pathologic invasive size measurements and differences according to clinicoradiologic findings

Feature	STsize (cm)	PIsize	STSD	P‐value	SDratio	P‐value
No. of total subjects	1.9 ± 1.2	1.9 ± 1.0	0.5 ± 0.4		25.8 ± 26.7
Gender
Male	1.9 ± 1.1	2.1 ± 1.1	−0.1 ± 0.4	0.563	−3.1 ± 40.4	0.382
Female	1.8 ± 1.1	1.9 ± 1.0	−0.1 ± 0.4		−7.1 ± 27.8
Lung status
Normal	1.9 ± 1.1	1.9 ± 1.0	−0.1 ± 0.4	0.003	−3.7 ± 34.0	0.086
Emphysema	1.8 ± 1.0	2.0 ± 1.0	−0.2 ± 0.4		−12.0 ± 29.9
Nodule morphology
PSN	2.2 ± 1.0	2.2 ± 0.9	0.0 ± 0.4	0.001	−1.0 ± 27.8	0.001
NSN	0.7 ± 0.4	0.9 ± 0.5	−0.2 ± 0.4		−21.5 ± 44.8
Clinical stage
T1a	0.4 ± 0.3	0.6 ± 0.3	−0.2 ± 0.2	0.029	−33.3 ± 35.9	0.002
T1b	0.9 ± 0.4	1.1 ± 0.4	−0.2 ± 0.3		−10.7 ± 44.4
T1c	1.7 ± 0.5	1.8 ± 0.5	−0.1 ± 0.4		−2.3 ± 29.1
T2a	2.8 ± 0.6	2.8 ± 0.6	0.0 ± 0.4		0.2 ± 17.0
T2b	3.5 ± 0.5	3.5 ± 0.7	0.0 ± 0.7		3.4 ± 22.1
T3	4.6 ± 0.9	4.3 ± 0.5	0.3 ± 0.8		7.4 ± 19.2

Means ± standard deviation.

PSN, part‐solid nodule; NSN, nonsolid nodule; STsize, solid tumor size; PIsize, pathologic invasive size; STSD, solid tumor size difference; SDratio, size difference ratio.