Research Article

Identifying the Best Marker Combination in CEA, CA125, CY211, NSE, and SCC for Lung Cancer Screening by Combining ROC Curve and Logistic Regression Analyses: Is It Feasible?

Figure 5

ROC curves of marker combinations for lung cancer screening in patients with pneumonia grouped by different sexes and ages.
(a)
(b)
(c)
(d)