https://wsxzaq.shinyapps.io/wsxzaq_nomogram/). The score has been verified among three independent external cohorts (GSE13213, GSE68465 and GSE72094), and is still an independent risk factor for lung adenocarcinoma. In addition, among the other 6 cancers, the OS prognosis of high and low-risk groups of PRS is different (P < 0.05). Our research results have screened multiple platelet differential genes with clinical significance and constructed a meaningful prognostic risk score (PRS)." name="description">
Figure 3. Development of the nomogram based on PRS and clinical features. (A–D) The receiver operating characteristic (ROC) curve of OS in TCGA, GSE13213, GSE68465 and GSE72094 cohort. (E) ROC curve of the nomogram based on PRS in TCGA. (F) The nomogram based on PRS in TCGA. (G–I) 1, 3 and 5-year calibration curves of nomogram in TCGA.