Table 2.

Radiologic whole tumor and pathologic size measurements and differences according to clinicoradiologic findings

Feature	WTsize (cm)	Psize (cm)	WTSD	P‐value	SDratio	P‐value
No. of total subjects	2.5 ± 1.1	2.0 ± 0.9	0.5 ± 0.4		25.8 ± 26.7
Gender
Male	2.6 ± 1.0	2.2 ± 0.9	0.4 ± 0.4	0.164	23.1 ± 30.1	0.202
Female	2.4 ± 1.1	2.0 ± 0.9	0.5 ± 0.5		27.5 ± 24.3
Lung status
Normal	2.5 ± 1.1	2.0 ± 0.9	0.5 ± 0.4	0.001	28.3 ± 24.4	0.015
Emphysema	2.4 ± 0.9	2.1 ± 0.9	0.3 ± 0.3		17.0 ± 32.5
Nodule morphology
PSN	2.8 ± 1.0	2.3 ± 0.9	0.5 ± 0.5	<0.001	25.2 ± 26.6	0.511
NSN	1.6 ± 0.7	1.3 ± 0.5	0.3 ± 0.3		27.8 ± 27.5
Clinical stage
T1a	0.9 ± 0.1	0.7 ± 0.1	0.1 ± 0.1	<0.001	17.8 ± 22.5	0.510
T1b	1.6 ± 0.3	1.3 ± 0.3	0.3 ± 0.2		24.8 ± 26.4
T1c	2.4 ± 0.3	2.0 ± 0.4	0.5 ± 0.4		29.8 ± 31.4
T2a	3.4 ± 0.4	2.8 ± 0.5	0.6 ± 0.5		23.4 ± 19.7
T2b	4.2 ± 0.4	3.5 ± 0.7	0.7 ± 0.7		24.8 ± 28.8
T3	5.7 ± 0.9	4.3 ± 0.5	1.4 ± 0.8		32.1 ± 19.1

Means ± standard deviation.

PSN, part‐solid nodule; NSN, nonsolid nodule; WTsize, whole tumor size; Psize, pathologic size; WTSD, whole tumor size difference; SDratio, size difference ratio.