Solid Indeterminate Pulmonary Nodules Less Than or Equal to 250 mm³: Application of the Updated Fleischner Society Guidelines in Clinical Practice

Table 3

Characteristics of the 27 SIPNs ≤ 250 mm³ on baseline MDCT in the low- and high-risk groups.

Characteristic	Patient risk status		Chi-square test
	Low risk	High risk	p value
Volume
< 100 mm^3	8 (29.6)	8 (29.6)	0.247
100-250 mm^3	8 (29.6)	3 (11.1)
Margins
Smooth	13 (48.1)	8 (29.6)	0.383
Lobulated	3 (11.1)	2 (7.4)
Spiculated		1 (3.7)
Lobe location
Middle/Lower	9 (33.3)	5 (18.5)	0.588
Upper	7 (25.9)	6 (22.2)

Data are presented as numbers (%).
Chi-squared test for trend.