Research Article

Factors Requiring Adjustment in the Interpretation of Serum Carcinoembryonic Antigen: A Cross-Sectional Study of 18,131 Healthy Nonsmokers

Table 2

Univariate and multivariate analyses of log-transformed serum CEA.

Univariate analysisMultivariate analysis
Total populationTraining setTest set
valueRegression coefficient value value value

Gender (ref.: male)<0.001āˆ’0.051<0.001<0.001<0.001
Age<0.0010.005<0.001<0.001<0.001
BMI<0.001āˆ’0.006<0.001<0.001<0.001
WBC<0.0010.008<0.0010.016<0.001
HB<0.0010.016<0.001<0.001<0.001
AST<0.0010.002<0.0010.0050.005
Creatinine<0.0010.0620.0140.0380.167
HbA1c<0.0010.054<0.001<0.001<0.001