Correlation between Skip N2 Metastases and SUV_max, Long Diameter of Tumor, and Ki67 Expression in Patients with Non-Small-Cell Lung Cancer

Table 2

Clinical symptoms of patients in SN2 and non-SN2 groups.

Variables	SN2 group ()	Non-SN2 group ()		value
Age			0.485	0.629
Gender			—	0.14
Male	16	29
Female	3	17
Smoking			—	0.803
Yes	4	11
No	15	35
Tumor site			—	0.658
Right upper lobe	6	12
Middle lobe	2	5
Right low lobe	3	12
Left upper lobe	4	7
Left low lobe	4	10
Pleural invasion			—	0.875
Yes	3	8
No	16	38
Pathological type			1.785	0.182
Squamous carcinoma	10	16
Nonsquamous carcinoma	9	30
Ki67 expression			2.828	0.008
Long diameter of tumor (mm)			1.765	0.123
Tumor SUVmax			0.823	0.396

SUV_max: maximum standardized uptake value. Fisher’s exact method.