The Expression and Related Clinical Significance of SIRT3 in Non-Small-Cell Lung Cancer

Table 2

The correlation between SIRT3 expression levels and clinical indicators.

Clinical indicator	N	SIRT3 expression levels			χ^2 or Z
		Low	Medium	High
Sex
Male	73	30	36	7	0.317	0.853
Female	58	24	30	4
Age
≥60	80	33	41	6	0.153	0.878
<60	51	21	25	5
Pathological type
SCC	39	18	16	5	2.587	0.274
ACA	92	36	50	6
Tumor size
≤2	49	21	26	2	3.478	0.176
2-3	41	19	20	2
≥3	41	14	20	7
Tumor site
Left lung	52	20	28	4	0.416	0.812
Right lung	79	34	38	7
Lymphatic metastasis
Yes	39	9	23	7	11.283	0.004
No	92	45	43	4
Pleural invasion
Yes	41	16	22	3	0.280	0.869
No	90	38	44	8
Degree of differentiation
Low	36	14	16	6	1.865	0.394
Medium	62	24	34	4
High	33	16	16	1
Clinical stage
0	11	6	5	0	8.766	0.033
I	45	23	20	2
II	53	20	29	4
III	22	5	12	5