| Summary: | Zhiqiao Hu,* Hao Zhang,* Jiaqi Wang, Huan Xiong, Yunxiao Liu, Yihao Zhu, Zewen Chang, Hanqing Hu, Qingchao Tang Department of Colorectal Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, 150081, People’s Republic of China*These authors contributed equally to this workCorrespondence: Qingchao Tang, Department of Colorectal Surgery, The Second Affiliated Hospital of Harbin Medical University, 246 Xuefu Road, Harbin, People’s Republic of China, Tel +86-13945052628, Email 13945052628@qq.comPurpose: To develop and validate the risk nomogram to predict the likelihood of postoperative anxiety and depression in colorectal cancer (CRC) patients.Methods: A total of 602 CRC patients from the Second Affiliated Hospital of Harbin Medical University were included in the study and divided into development set and validation set with the 2:1 ratio randomly. Logistic regression model was used to determine independent factors contributing to postoperative anxiety and depression, which were subsequently applied to build the nomogram for predicting postoperative anxiety and depression. The performance of the risk nomogram was appraised by the area under the receiver operating curve (AUC), calibration curves and decision curve analyses (DCA).Results: Gender, personal status, income, adjuvant therapy, the Eastern Cooperative Oncology Group Scale (ECOG) score, comorbidity, postoperative complications and stoma status were significant indicators for postoperative anxiety and depression. The AUCs for the development and validation sets were 0.792 and 0.812 for the postoperative anxiety nomogram and 0.805 and 0.825 for the postoperative depression nomogram. Additionally, calibration curves and decision curve analyses also determined the reliable clinical importance of the proposed nomogram.Conclusion: The current study constructed the risk nomogram for postoperative anxiety and depression and could help clinicians determine high-risk patients to some extent.Keywords: nomogram, colorectal cancer, postoperative, anxiety and depression
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