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

Table 3

Univariate analysis of the correlation between clinical indicators/SIRT3 expression and prognosis.

Clinical indicator	N	5-year survival rate (%)	Chi-square	Log-rank test ()
SIRT3 expression level
Low	54	87.0	20.525	0.000
Medium	66	56.1
High	11	27.3
Sex
Male	73	64.4	0.800	0.371
Female	58	69.0
Age
≥60	80	65.0	0.515	0.473
<60	51	68.6
Pathological type
SCC	39	56.4	2.791	0.095
ACA	92	70.7
Tumor size
≤2	49	83.7	10.972	0.004
2-3	41	60.5
≥3	41	51.3
Tumor site
Left lung	52	67.1	0.364	0.546
Right lung	79	65.4
Lymphatic metastasis
Yes	39	41.0	28.188	0.000
No	92	77.2
Pleural invasion
Yes	41	70.7	0.202	0.653
No	90	64.4
Degree of differentiation
Low	36	50.0	10.952	0.004
Medium	62	72.6
High	33	72.7
Clinical stage
0	11	100	16.092	0.001
I	45	75.6
II	53	62.3
III	22	40.9