Construction of Pulmonary Nodule CT Radiomics Random Forest Model Based on Artificial Intelligence Software for STAS Evaluation of Stage IA Lung Adenocarcinoma

Table 1

Postoperative pathological features of stage IA lung adenocarcinoma.

Parameter	STAS negative ()	STAS positive ()	value
Surgery			0.106
Lobectomy or pneumonectomy	25 (34.2%)	11 (57.9%)
Sublobar resection	48 (65.8%)	8 (42.1%)
Histologic subtypes			0.020
Papillary	22 (30.1%)	4 (21.1%)
Solid	3 (4.11%)	3 (15.8%)
Lepidic	23 (31.5%)	2 (10.5%)
Micropapillary	3 (4.11%)	4 (21.1%)
Acinar	22 (30.1%)	6 (31.6%)
Lymphovascular invasion			0.005
Absent	69 (94.5%)	13 (68.4%)
Present	4 (5.48%)	6 (31.6%)
Perineural invasion			0.355
Absent	68 (93.2%)	16 (84.2%)
Present	5 (6.85%)	3 (15.8%)
Pleural invasion			0.133
Absent	65 (89.0%)	14 (73.7%)
Present	8 (11.0%)	5 (26.3%)
Lymph node metastasis			0.009
Absent	68 (93.2%)	13 (68.4%)
Present	5 (6.85%)	6 (31.6%)