The Expression and Survival Significance of FOXD1 in Lung Squamous Cell Carcinoma: A Meta-Analysis, Immunohistochemistry Validation, and Bioinformatics Analysis

Table 1

Clinical features in LUSC samples in TCGA dataset.

Clinical parameters	Samples	Percentage (%)
Age
<=60 years	107	21.6
>60 years	382	77.2
NA	6	1.2
Gender
Female	129	26.1
Male	366	73.9
Distant metastasis
M0	407	82.2
M1	7	1.4
Mx	81	16.4
Clinical stage
Stage I	242	48.9
Stage II	159	32.1
Stage III	83	16.8
Stage IV	7	1.4
NA	4	0.8
Tumor size
T1	114	23.0
T2	288	58.2
T3	70	14.1
T4	23	4.7
Node metastasis
N0	316	63.8
N1	128	25.9
N2	40	8.1
N3	5	1.0
NA	6	1.2
Smoking
Light	151	30.5
Heavy	332	67.1
NA	12	2.4

NA: none available.