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. 2019 Mar 25;51(4):1540–1548. doi: 10.4143/crt.2019.057

Table 4.

Size of the solid portion and visceral pleural invasion according to the pleura-nodule relationship

Variable	Solid portion				p-value
Variable	None	≤ 5 mm	5-8 mm^a)	≥ 8 mm	p-value
VPI in A(–) I(–) group	0/61 (0)	0/31 (0)	0/14 (0)	0/14 (0)	N/A
VPI in A(+) I(–) group	0/4 (0)	0/3 (0)	0/3 (0)	1/16 (6.3)	> 0.999
VPI in A(–) I(+) group	0/18 (0)	0/13 (0)	0/13 (0)	4/73 (5.5)	0.849
VPI in A(+) I(+) group	0/26 (0)	1/19 (5.3)	3/17 (17.6)	27/79 (34.1)	< 0.001

Values are presented as number (%). VPI, visceral pleural invasion; A, attachment; I, indentation; N/A, not available.

^a)

Excludes 5 and 8 mm.