Three-dimensional substructure measurements for the differential diagnosis of ground glass nodules

BMC Pulmonary Medicine

Table 1 Clinical and pathologic characteristics of all ground-glass opacity (GGO) nodules with different pathologic categories (n = 102)

Variables	PIA (n = 43)	AC (n = 59)	P
Gender (n)			0.063
Male	29	24
Female	14	35
Mean age (year)	53.14 ± 5.80	60.61 ± 10.68	0.001*
GGO subtype			0.226
Pure GGO	18	24
Mixed GGO	25	35
GGO number (n)			0.001*
Solitary	42	24
Multiple	1	35
Position			0.692
RUL	18	14
RML	6	12
RLL	0	14
LUL	18	9
LLL	1	10

*P < 0.05
Classification according to the new IASLC/ATS/ERS International Multidisciplinary Lung Adenocarcinoma Classification system [31]: preinvasive adenocarcinoma (PIA) including atypical adenomatous hyperplasia (AAH) and adenocarcinoma in situ (AIS), adenocarcinoma (AC) including minimally invasive adenocarcinoma (MIA) and invasive adenocarcinoma (IAC)
RUL stands for Right Upper Lobe, RML stands for Right Middle Lobe, RLL stands for Right Low Lobe, LUL stands for Left Upper Lobe, LLL stands for Left Low Lobe
Gender, GGO subtype, GGO number and position were analyzed by Chi-square test
P indicates the p values for one-way ANOVA analysis in terms of the mean ages of all GGO nodules

ISSN: 1471-2466