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• W4242427008 abstract "Abstract Background As we all know, patients with epithelial ovarian carcinoma have poor prognosis and high recurrence rate. It is critical and challenging to screen out the patients with high risk of recurrence. At present, there are some models predicting the overall survival of epithelial ovarian carcinoma, however, there is no widely accepted tool or applicable model predicting the recurrence risk of epithelial ovarian carcinoma patients. The objective of this study was to establish and verify a nomogram to predict the recurrence risk of EOC. Methods We reviewed the clinicopathological and prognostic data of 193 patients with EOC who achieved clinical complete remission after cytoreductive surgery and chemotherapy between January 2003 and December 2013 in Peking University First Hospital. The nomogram was established with the risk factors selected by LASSO regression. The medical data of 187 EOC patients with 5-year standard follow-up in Peking University Third Hospital and Beijing Obstetrics and Gynecology Hospital were used for external validation of the nomogram. AUC curve and Hosmer-Lemeshow test were used to evaluate the discrimination and calibration. Results The nomogram for 3-year recurrence risk was established with FIGO stage, histological grade, histological type, lymph node metastasis status and serum CA125 level at diagnosis. The total score can be obtained by adding the grading values of these factors together. In the external validation, the AUC (C statistics) was 0.803 [95%CI, 0.738-0.867] and the Chi-square value is 11.04 (P=0.135>0.05). With the threshold value of 198, the sensitivity, specificity, positive predictive value, negative predictive value and correct index of the monogram were 75.7%, 77.0%, 83.2%, 67.9%, and 0.52 respectively. Conclusions We established and validated a nomogram to predict 3-year recurrence risk of patients with EOC who achieved clinical complete remission after cytoreductive surgery and chemotherapy. This nomogram with good discrimination and calibration might be useful for screening out the patients with high risk of recurrence. Precis : Establishment and verification of the nomogram predicting the 3-year recurrence risk of EOC" @default.
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• W4242427008 date "2020-07-16" @default.
• W4242427008 modified "2023-10-16" @default.
• W4242427008 title "Establishment and Verification of the Nomogram That Predicts the 3-year Recurrence Risk of Epithelial Ovarian Carcinoma" @default.
• W4242427008 doi "https://doi.org/10.21203/rs.3.rs-41532/v1" @default.
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