Fig. 5

Analysis of key genes and creation of the nomogram. (A, B) The receiver operating characteristic (ROC) curves of key genes in the GSE13355 (A) and GSE78097 (B) datasets. (C,D) The expression levels of key genes between PSO and control groups in the GSE13355 (C) and GSE78097 (D) datasets. (E) The nomogram established based on three key genes. (F) The calibration curve of the nomogram.