Table 3. Combined analysis of BZRAP1-AS1 expression and smoking history, tumor size and N stage.

Variables		No. of cases	BZRAP1-AS1 expression (Median, 25–75 Percentile)
Smoking	Tumor (T)/Adjacent Normal (N)
NO	N	22	1.380, 0.165–13.416
NO	T	22	0.751, 0.086–4.913
YES	N	41	0.737, 0.061–14.324
YES	T	41	0.235, 0.025–2.695
TNM stage
I		26	1.128, 0.081–4.847
II		14	0.237, 0.063–15.210
III–IV		23	0.001, 0.205–2.552
Tumor size(cm)
≤3		29	1.528, 0.117–12.300
>3, ≤5		22	0.240, 0.078–1.973
>5		12	0.025, 0.001–0.182
N metastasis
N0		40	1.354, 0.094–5.843
N1		4	0.098, 0.004–98.284
N2		19	0.187, 0.001–1.020