Table 1.

Correlation analysis between CIB1 expression and clinical characteristics.

Variables	n	CIB1 expression		P
		Low	High
Age (years)				0.598
≤55	30	11	19
>55	30	13	17
Gender				1.00
Female	25	12	18
Male	35	12	18
Smoking history (years)				0.752
≤10	31	13	18
>10	29	11	18
Tumor differentiation				0.261
High	19	8	11
Medium	29	9	20
Low	12	7	5
T stage				0.831
T1	30	13	17
T2	18	7	11
T3	12	4	8
N stage				0.019
N0	34	18	16
N1–2	26	6	20
TNM stage				0.045
I	28	15	13
II–III	32	9	23