. 2019 Aug 23;110(9):2734–2747. doi: 10.1111/cas.14125

Table 2.

Correlation of uridine‐cytidine kinase 2 (UCK2) expression and clinicopathological characteristics of patients with lung cancer in GSE30219

Characteristic	No. of patients	UCK2 expression		χ² value	P value
Characteristic	No. of patients	High	Low	χ² value	P value
Age, years
≤55	79	37	42	0.481	.488
>55	214	110	104	0.481	.488
Gender
Male	250	131	119	3.387	.066
Female	43	16	27	3.387	.066
T stage
IA‐IB	166	63	103	23.973	.000
IIA‐IIB	69	42	27
IIIA‐IIIB, IV	52	38	14
N stage
Negative	198	80	118	18.922	.000
Positive	93	63	30	18.922	.000
M stage
0	282	141	141	0.115	.735
1	8	5	3	0.115	.735
Early recurrence^a
No	164	71	93	7.103	.008
Yes	96	58	38	7.103	.008
Later recurrence^a
No	164	71	93	0.988	.320
Yes	18	10	8	0.988	.320

Using 2 y as the cut‐off, tumor recurrence was classified as either early recurrence or late recurrence.