CD68 and endometriosis: However, when the endometriosis group was further divided into subgroups (Table 3, Supplementary Figure S6), the proportion of endometrial CD68+ macrophages in women with mixed endometriosis was significantly higher than that in the control group (2.8% versus 2.1%, P = 0.043), indicating that uterine macrophages are associated with mixed endometriosis.