Research Article

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

Table 2

Univariate and multivariate Cox regression analyses estimating the risk factors of brain metastases of resected lung adenocarcinoma patients.

Clinicopathological factorsUnivariable analysisMultivariable analysis
Hazard ratio95% CI valueHazard ratio95% CI value

Age, years≥60 versus <601.5140.456–5.0290.498
GenderMale versus female0.6160.199–1.9100.402
Smoking statusEver versus never1.2300.333–4.5420.756
Tumor locationUpper lobe versus nonupper lobe0.6980.222–2.2000.539
Histology gradeWell versus poor0.8730.263–2.8980.824
T stageT3-4 versus T1-22.5930.780–8.6150.120
N stageN2 versus N0-14.3041.365–13.5750.0131.3740.283–6.6690.693
TNM stageIII versus I-II4.9761.346–18.3900.0162.6400.440–15.8290.288
Adjuvant therapyYes versus no1.1750.318–4.3430.808
CEA<5.2 ng/mL versus ≥5.2 ng/mL0.1620.004–0.5980.0060.1940.052–0.7220.014
Hb≥115 g/L versus <115 g/L0.5100.111–2.3300.358
PLR≥120 versus <1206.0851.333–27.2850.0205.1491.117–23.7290.036

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