A 5-Gene Signature Is Closely Related to Tumor Immune Microenvironment and Predicts the Prognosis of Patients with Non-Small Cell Lung Cancer

Table 1

Clinicopathological characteristics of NSCLC patients in the training set.

Variables	Number	%
Age
<65	37	28.5
≥65	93	71.5
Sex
Female	34	26.2
Male	96	73.8
Histology
Adenocarcinoma	96	73.8
Squamous	31	23.8
Other	3	2.3
T stage
Tis	5	3.8
T1	53	40.8
T2	49	37.7
T3	16	12.3
T4	7	5.4
N stage
N0	104	80
N1	12	9.2
N2	14	10.8
Radiation
Yes	14	10.8
No	116	89.2
Chemotherapy
Yes	37	28.5
No	93	71.5
EGFR status
Yes	19	14.6
No	82	63.1
Unknown	29	22.3
ALK status
Yes	2	1.5
No	97	74.6
Unknown	31	23.8
KRAS status
Yes	24	18.5
No	77	59.2
Unknown	29	22.3