Combining Carcinoembryonic Antigen and Platelet to Lymphocyte Ratio to Predict Brain Metastasis of Resected Lung Adenocarcinoma Patients

Table 1

Clinicopathologic characteristics of 103 lung adenocarcinoma patients.

Characteristics	Number of patients	%
Age, years
≥60	58	56.3
<60	45	43.7
Sex
Male	40	38.8
Female	63	61.2
Smoking status
Never	60	58.3
Ever	43	41.7
Tumor location
Upper lobe	53	52.4
Nonupper lobe	60	47.6
Histology grade
Well-moderate	88	85.4
Poor	15	14.6
T stage
T1-2	86	83.5
T3-4	17	16.5
N stage
N0-1	75	72.8
N2	28	27.2
TNM stage
I-II	63	61.2
III	40	38.8
Adjuvant therapy
Yes	80	77.7
No	23	22.3
CEA
≥5.2 ng/mL	36	40.0
<5.2 ng/mL	67	60.0
Hb
≥115 g/L	92	89.3
<115 g/L	11	10.7
PLR
≥120	51	49.5
<120	52	50.5

CEA, carcinoembryonic antigen; Hb, hemoglobin; PLR, platelet to lymphocyte ratio.