The study aimed to investigate the expression of nuclear actor-k-gene binding(NF-κB) and immediate early response 3(IER3) in ovarian endometrioid cysts and its correlation with the recurrence of the ovarian endometrioid cyst. From January 2018 to March 2019, a total of 88 patients who underwent laparoscopic ovarian cyst excision due to ovarian endometrioid cyst in Changzhou Maternity and Child Health Care Hospital were selected. Clinical data of the patients were collected. The patient's Revised American Fertility Society (R-AFS) score, least function(LF) score, and endometriosis fertility index (EFI) were calculated. Immunohistochemistry was performed to detect the expression of IER3 and NF-κB. The receiver-operating characteristic (ROC) curve was used to evaluate the predictive value of IER3 and NF-κB expression on postoperative recurrence. Cox regression was fitted to analyze the influencing factors of ovarian endometrioid cyst recurrence. The expression of NF-κB was positively correlated with IER3 (P < 0.001). ROC curve showed that NF-κB combined with IER3 had higher predictive value for disease recurrence. Multivariate Cox regression showed that the IER3 expression intensity > 4.5 (HR = 3.418,95%CI: 1.227 ~ 9.523, P = 0.019) and the NF-κB expression intensity > 4.5 (HR = 5.491,95%CI: 1.600 ~ 18.838, P = 0.007) were independent risk factors for recurrence, and EFI score (HR = 0.791,95%CI: 0.637 ~ 0.983, P = 0.035) was a protective factor for recurrence. Our results suggested that EFI score is a protective factor for recurrence. The expression levels of NF-κB and IER3 > 4.5 are correlated with the recurrence of ovarian endometrioid cysts and independent risk factors for recurrence.
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