Table 1.

Association between QKI expression and clinical parameters in patients with NSCLC.

Clinical parameters	n	QKI expression		P-value
		Low	High
Age
>60	51	39	12	0.805
≤60	43	31	12
Gender
Male	51	40	11	0.091
Female	43	40	3
Tumor invasion
T1–T2	71	48	23	0.008*
T3–T4	23	22	1
Lymph node metastases
N0	57	43	14	0.979
N1–N3	37	27	10
Clinical stage
I	30	18	12	0.029*
II–IV	64	52	12
Pathological stage
Well and moderate	65	50	15	0.416
Poorly and not	29	20	9

*Statistically significant (P < 0.05).