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Figure 3: Receiver operating characteristic (ROC) curve to compare immunological parameter sensitivity and specificity in patients with endometriosis. (a) ROC curves of CD4+/PD-1+lymphocytes (%). (b) ROC curves of CD4+/PD-L1+lymphocytes (%). (c) ROC curves of CD8+/PD-1+ lymphocytes (%). (d) ROC curves of CD8+/PD-L1+ lymphocytes (%). (e) ROC curves of CD19+/PD-L1+ lymphocytes (%). (f) ROC curves of CD19+/PD-1+ lymphocytes: CD19+/PD-L1+ lymphocyte ratio.