The Increase of Circulating PD-1- and PD-L1-Expressing Lymphocytes in Endometriosis: Correlation with Clinical and Laboratory Parameters

Figure 2

(a) The frequencies of CD4⁺/PD-1⁺ cells in stage I and II endometriosis patients, stage III and IV endometriosis patients, and healthy volunteers. (b) The frequencies of CD8⁺/PD-1⁺ cells in stage I and II endometriosis patients, stage III and IV endometriosis patients, and healthy volunteers. (c) The frequencies of CD19⁺/PD-1⁺ cells in stage I and II endometriosis patients, stage III and IV endometriosis patients, and healthy volunteers. (d) The frequencies of CD4⁺/PD-L1⁺ cells in stage I and II endometriosis patients, stage III and IV endometriosis patients, and healthy volunteers. (e) The frequencies of CD8⁺/PD-L1⁺ cells in stage I and II endometriosis patients, stage III and IV endometriosis patients, and healthy volunteers. (f) The frequencies of CD19⁺/PD-L1⁺ cells in stage I and II endometriosis patients, stage III and IV endometriosis patients, and healthy volunteers.

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