The difference in the results of dataset GSE7305 (Fig. 7A) demonstrated that all NRDEGs were statistically significant, and the expression levels of C7, HOOK1, PKP3, AHR, GJB1, and MYO6 in different groups of endometriosis dataset GSE7305 were statistically significant (P < 0.001). The gene discussed is C7; the disease is endometriosis.