BACKGROUND Gastric cancer is a leading cause of cancer-related deaths worldwide.Prognostic assessments are typically based on the tumor-node-metastasis(TNM)staging system,which does not account for the molecular heter...BACKGROUND Gastric cancer is a leading cause of cancer-related deaths worldwide.Prognostic assessments are typically based on the tumor-node-metastasis(TNM)staging system,which does not account for the molecular heterogeneity of this disease.LATS2,a tumor suppressor gene involved in the Hippo signaling pathway,has been identified as a potential prognostic biomarker in gastric cancer.AIM To construct and validate a nomogram model that includes LATS2 expression to predict the survival prognosis of advanced gastric cancer patients following ra-dical surgery,and compare its predictive performance with traditional TNM staging.METHODS A retrospective analysis of 245 advanced gastric cancer patients from the Fourth Hospital of Hebei Medical University was conducted.The patients were divided into a training group(171 patients)and a validation group(74 patients)to deve-lop and test our prognostic model.The performance of the model was determined using C-indices,receiver operating characteristic curves,calibration plots,and decision curves.RESULTS The model demonstrated a high predictive accuracy with C-indices of 0.829 in the training set and 0.862 in the validation set.Area under the curve values for three-year and five-year survival prediction were significantly robust,suggesting an excellent discrimination ability.Calibration plots confirmed the high concordance between the predictions and actual survival outcomes.CONCLUSION We developed a nomogram model incorporating LATS2 expression,which significantly outperformed conven-tional TNM staging in predicting the prognosis of advanced gastric cancer patients postsurgery.This model may serve as a valuable tool for individualized patient management,allowing for more accurate stratification and im-proved clinical outcomes.Further validation in larger patient cohorts will be necessary to establish its generaliza-bility and clinical utility.展开更多
目的探讨子宫肌瘤患者腹腔镜术后形成下肢深静脉血栓的危险因素,并构建预测模型。方法选取2020年10月至2022年5月某医院收治的180例子宫肌瘤患者作为研究对象,根据患者术后是否出现下肢深静脉血栓分为发生组(38例)和未发生组(142例)。采...目的探讨子宫肌瘤患者腹腔镜术后形成下肢深静脉血栓的危险因素,并构建预测模型。方法选取2020年10月至2022年5月某医院收治的180例子宫肌瘤患者作为研究对象,根据患者术后是否出现下肢深静脉血栓分为发生组(38例)和未发生组(142例)。采用Logistic回归分析影响子宫肌瘤患者腹腔镜术后形成下肢深静脉血栓的危险因素;采用内部数据验证Nomogram模型临床效能。结果180例子宫肌瘤患者中有38例发生下肢深静脉血栓,发生率为21.11%;年龄>50岁(OR=1.847)、手术时间>60 min(OR=1.623)、术中气腹压>15 mm Hg(OR=1.518)、术后卧床时间>5 d(OR=2.208)、术后常规护理(OR=1.791)是子宫肌瘤患者腹腔镜术后形成下肢深静脉血栓的危险因素(P<0.05);模型预测患者术后出现下肢深静脉血栓的风险阈值>0.07。结论年龄、手术时间、术中气腹压、术后卧床时间、术后护理方式是影响子宫肌瘤患者腹腔镜术后形成下肢深静脉血栓的危险因素,且基于此构建的模型有较好的预测价值。展开更多
文摘BACKGROUND Gastric cancer is a leading cause of cancer-related deaths worldwide.Prognostic assessments are typically based on the tumor-node-metastasis(TNM)staging system,which does not account for the molecular heterogeneity of this disease.LATS2,a tumor suppressor gene involved in the Hippo signaling pathway,has been identified as a potential prognostic biomarker in gastric cancer.AIM To construct and validate a nomogram model that includes LATS2 expression to predict the survival prognosis of advanced gastric cancer patients following ra-dical surgery,and compare its predictive performance with traditional TNM staging.METHODS A retrospective analysis of 245 advanced gastric cancer patients from the Fourth Hospital of Hebei Medical University was conducted.The patients were divided into a training group(171 patients)and a validation group(74 patients)to deve-lop and test our prognostic model.The performance of the model was determined using C-indices,receiver operating characteristic curves,calibration plots,and decision curves.RESULTS The model demonstrated a high predictive accuracy with C-indices of 0.829 in the training set and 0.862 in the validation set.Area under the curve values for three-year and five-year survival prediction were significantly robust,suggesting an excellent discrimination ability.Calibration plots confirmed the high concordance between the predictions and actual survival outcomes.CONCLUSION We developed a nomogram model incorporating LATS2 expression,which significantly outperformed conven-tional TNM staging in predicting the prognosis of advanced gastric cancer patients postsurgery.This model may serve as a valuable tool for individualized patient management,allowing for more accurate stratification and im-proved clinical outcomes.Further validation in larger patient cohorts will be necessary to establish its generaliza-bility and clinical utility.
文摘目的探讨子宫肌瘤患者腹腔镜术后形成下肢深静脉血栓的危险因素,并构建预测模型。方法选取2020年10月至2022年5月某医院收治的180例子宫肌瘤患者作为研究对象,根据患者术后是否出现下肢深静脉血栓分为发生组(38例)和未发生组(142例)。采用Logistic回归分析影响子宫肌瘤患者腹腔镜术后形成下肢深静脉血栓的危险因素;采用内部数据验证Nomogram模型临床效能。结果180例子宫肌瘤患者中有38例发生下肢深静脉血栓,发生率为21.11%;年龄>50岁(OR=1.847)、手术时间>60 min(OR=1.623)、术中气腹压>15 mm Hg(OR=1.518)、术后卧床时间>5 d(OR=2.208)、术后常规护理(OR=1.791)是子宫肌瘤患者腹腔镜术后形成下肢深静脉血栓的危险因素(P<0.05);模型预测患者术后出现下肢深静脉血栓的风险阈值>0.07。结论年龄、手术时间、术中气腹压、术后卧床时间、术后护理方式是影响子宫肌瘤患者腹腔镜术后形成下肢深静脉血栓的危险因素,且基于此构建的模型有较好的预测价值。